138206988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 389509120

約数和(自身を除く): 251302132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 43, 57, 74, 76, 86, 111, 114, 127, 129, 148, 171, 172, 222, 228, 254, 258, 333, 342, 381, 387, 444, 508, 516, 666, 684, 703, 762, 774, 817, 1143, 1332, 1406, 1524, 1548, 1591, 1634, 2109, 2286, 2413, 2451, 2812, 3182, 3268, 4218, 4572, 4699, 4773, 4826, 4902, 5461, 6327, 6364, 7239, 7353, 8436, 9398, 9546, 9652, 9804, 10922, 12654, 14097, 14319, 14478, 14706, 16383, 18796, 19092, 21717, 21844, 25308, 28194, 28638, 28956, 29412, 30229, 32766, 42291, 43434, 49149, 56388, 57276, 60458, 65532, 84582, 86868, 89281, 90687, 98298, 103759, 120916, 169164, 178562, 181374, 196596, 202057, 207518, 267843, 272061, 311277, 357124, 362748, 404114, 415036, 535686, 544122, 606171, 622554, 803529, 808228, 933831, 1071372, 1088244, 1212342, 1245108, 1607058, 1818513, 1867662, 2424684, 3214116, 3637026, 3735324, 3839083, 7274052, 7678166, 11517249, 15356332, 23034498, 34551747, 46068996, 69103494, 138206988]

約数ペア:

[(1, 138206988), (2, 69103494), (3, 46068996), (4, 34551747), (6, 23034498), (9, 15356332), (12, 11517249), (18, 7678166), (19, 7274052), (36, 3839083), (37, 3735324), (38, 3637026), (43, 3214116), (57, 2424684), (74, 1867662), (76, 1818513), (86, 1607058), (111, 1245108), (114, 1212342), (127, 1088244), (129, 1071372), (148, 933831), (171, 808228), (172, 803529), (222, 622554), (228, 606171), (254, 544122), (258, 535686), (333, 415036), (342, 404114), (381, 362748), (387, 357124), (444, 311277), (508, 272061), (516, 267843), (666, 207518), (684, 202057), (703, 196596), (762, 181374), (774, 178562), (817, 169164), (1143, 120916), (1332, 103759), (1406, 98298), (1524, 90687), (1548, 89281), (1591, 86868), (1634, 84582), (2109, 65532), (2286, 60458), (2413, 57276), (2451, 56388), (2812, 49149), (3182, 43434), (3268, 42291), (4218, 32766), (4572, 30229), (4699, 29412), (4773, 28956), (4826, 28638), (4902, 28194), (5461, 25308), (6327, 21844), (6364, 21717), (7239, 19092), (7353, 18796), (8436, 16383), (9398, 14706), (9546, 14478), (9652, 14319), (9804, 14097), (10922, 12654)]