661508848

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:543

約数の個数: 160

約数和(自身を含む): 1741888512

約数和(自身を除く): 1080379664

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 103, 104, 112, 143, 154, 176, 182, 206, 208, 286, 308, 364, 401, 412, 572, 616, 721, 728, 802, 824, 1001, 1133, 1144, 1232, 1339, 1442, 1456, 1604, 1648, 2002, 2266, 2288, 2678, 2807, 2884, 3208, 4004, 4411, 4532, 5213, 5356, 5614, 5768, 6416, 7931, 8008, 8822, 9064, 9373, 10426, 10712, 11228, 11536, 14729, 15862, 16016, 17644, 18128, 18746, 20852, 21424, 22456, 29458, 30877, 31724, 35288, 36491, 37492, 41303, 41704, 44912, 57343, 58916, 61754, 63448, 70576, 72982, 74984, 82606, 83408, 103103, 114686, 117832, 123508, 126896, 145964, 149968, 165212, 206206, 229372, 235664, 247016, 289121, 291928, 330424, 401401, 412412, 454333, 458744, 494032, 536939, 578242, 583856, 660848, 802802, 824824, 908666, 917488, 1073878, 1156484, 1605604, 1649648, 1817332, 2147756, 2312968, 3180331, 3211208, 3634664, 3758573, 4295512, 4625936, 5906329, 6360662, 6422416, 7269328, 7517146, 8591024, 11812658, 12721324, 15034292, 23625316, 25442648, 30068584, 41344303, 47250632, 50885296, 60137168, 82688606, 94501264, 165377212, 330754424, 661508848]

約数ペア:

[(1, 661508848), (2, 330754424), (4, 165377212), (7, 94501264), (8, 82688606), (11, 60137168), (13, 50885296), (14, 47250632), (16, 41344303), (22, 30068584), (26, 25442648), (28, 23625316), (44, 15034292), (52, 12721324), (56, 11812658), (77, 8591024), (88, 7517146), (91, 7269328), (103, 6422416), (104, 6360662), (112, 5906329), (143, 4625936), (154, 4295512), (176, 3758573), (182, 3634664), (206, 3211208), (208, 3180331), (286, 2312968), (308, 2147756), (364, 1817332), (401, 1649648), (412, 1605604), (572, 1156484), (616, 1073878), (721, 917488), (728, 908666), (802, 824824), (824, 802802), (1001, 660848), (1133, 583856), (1144, 578242), (1232, 536939), (1339, 494032), (1442, 458744), (1456, 454333), (1604, 412412), (1648, 401401), (2002, 330424), (2266, 291928), (2288, 289121), (2678, 247016), (2807, 235664), (2884, 229372), (3208, 206206), (4004, 165212), (4411, 149968), (4532, 145964), (5213, 126896), (5356, 123508), (5614, 117832), (5768, 114686), (6416, 103103), (7931, 83408), (8008, 82606), (8822, 74984), (9064, 72982), (9373, 70576), (10426, 63448), (10712, 61754), (11228, 58916), (11536, 57343), (14729, 44912), (15862, 41704), (16016, 41303), (17644, 37492), (18128, 36491), (18746, 35288), (20852, 31724), (21424, 30877), (22456, 29458)]