1686812816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1624

約数の個数: 80

約数和(自身を含む): 3633934080

約数和(自身を除く): 1947121264

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 139, 164, 208, 278, 328, 533, 556, 656, 1066, 1112, 1423, 1807, 2132, 2224, 2846, 3614, 4264, 5692, 5699, 7228, 8528, 11384, 11398, 14456, 18499, 22768, 22796, 28912, 36998, 45592, 58343, 73996, 74087, 91184, 116686, 147992, 148174, 197797, 233372, 295984, 296348, 395594, 466744, 592696, 758459, 791188, 933488, 1185392, 1516918, 1582376, 2571361, 3033836, 3164752, 5142722, 6067672, 8109677, 10285444, 12135344, 16219354, 20570888, 32438708, 41141776, 64877416, 105425801, 129754832, 210851602, 421703204, 843406408, 1686812816]

約数ペア:

[(1, 1686812816), (2, 843406408), (4, 421703204), (8, 210851602), (13, 129754832), (16, 105425801), (26, 64877416), (41, 41141776), (52, 32438708), (82, 20570888), (104, 16219354), (139, 12135344), (164, 10285444), (208, 8109677), (278, 6067672), (328, 5142722), (533, 3164752), (556, 3033836), (656, 2571361), (1066, 1582376), (1112, 1516918), (1423, 1185392), (1807, 933488), (2132, 791188), (2224, 758459), (2846, 592696), (3614, 466744), (4264, 395594), (5692, 296348), (5699, 295984), (7228, 233372), (8528, 197797), (11384, 148174), (11398, 147992), (14456, 116686), (18499, 91184), (22768, 74087), (22796, 73996), (28912, 58343), (36998, 45592)]