77881221756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1\times {\mathrm{2417}}^1$

素因数の和:4692

約数の個数: 144

約数和(自身を含む): 219038147328

約数和(自身を除く): 141156925572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2221, 2417, 2418, 3627, 4442, 4834, 4836, 6663, 7251, 7254, 8884, 9668, 13326, 14502, 14508, 19989, 21753, 26652, 28873, 29004, 31421, 39978, 43506, 57746, 62842, 68851, 74927, 79956, 86619, 87012, 94263, 115492, 125684, 137702, 149854, 173238, 188526, 206553, 224781, 259857, 275404, 282789, 299708, 346476, 377052, 413106, 449562, 519714, 565578, 619659, 674343, 826212, 895063, 899124, 974051, 1039428, 1131156, 1239318, 1348686, 1790126, 1948102, 2478636, 2685189, 2697372, 2922153, 3580252, 3896204, 5368157, 5370378, 5844306, 8055567, 8766459, 10736314, 10740756, 11688612, 16104471, 16111134, 17532918, 21472628, 32208942, 32222268, 35065836, 48313413, 64417884, 69786041, 96626826, 139572082, 166412867, 193253652, 209358123, 279144164, 332825734, 418716246, 499238601, 628074369, 665651468, 837432492, 998477202, 1256148738, 1497715803, 1996954404, 2163367271, 2512297476, 2995431606, 4326734542, 5990863212, 6490101813, 8653469084, 12980203626, 19470305439, 25960407252, 38940610878, 77881221756]

約数ペア:

[(1, 77881221756), (2, 38940610878), (3, 25960407252), (4, 19470305439), (6, 12980203626), (9, 8653469084), (12, 6490101813), (13, 5990863212), (18, 4326734542), (26, 2995431606), (31, 2512297476), (36, 2163367271), (39, 1996954404), (52, 1497715803), (62, 1256148738), (78, 998477202), (93, 837432492), (117, 665651468), (124, 628074369), (156, 499238601), (186, 418716246), (234, 332825734), (279, 279144164), (372, 209358123), (403, 193253652), (468, 166412867), (558, 139572082), (806, 96626826), (1116, 69786041), (1209, 64417884), (1612, 48313413), (2221, 35065836), (2417, 32222268), (2418, 32208942), (3627, 21472628), (4442, 17532918), (4834, 16111134), (4836, 16104471), (6663, 11688612), (7251, 10740756), (7254, 10736314), (8884, 8766459), (9668, 8055567), (13326, 5844306), (14502, 5370378), (14508, 5368157), (19989, 3896204), (21753, 3580252), (26652, 2922153), (28873, 2697372), (29004, 2685189), (31421, 2478636), (39978, 1948102), (43506, 1790126), (57746, 1348686), (62842, 1239318), (68851, 1131156), (74927, 1039428), (79956, 974051), (86619, 899124), (87012, 895063), (94263, 826212), (115492, 674343), (125684, 619659), (137702, 565578), (149854, 519714), (173238, 449562), (188526, 413106), (206553, 377052), (224781, 346476), (259857, 299708), (275404, 282789)]