78578864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1918

約数の個数: 80

約数和(自身を含む): 193945920

約数和(自身を除く): 115367056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 728, 754, 812, 1456, 1508, 1624, 1861, 2639, 3016, 3248, 3722, 5278, 6032, 7444, 10556, 13027, 14888, 21112, 24193, 26054, 29776, 42224, 48386, 52108, 53969, 96772, 104216, 107938, 169351, 193544, 208432, 215876, 338702, 377783, 387088, 431752, 677404, 701597, 755566, 863504, 1354808, 1403194, 1511132, 2709616, 2806388, 3022264, 4911179, 5612776, 6044528, 9822358, 11225552, 19644716, 39289432, 78578864]

約数ペア:

[(1, 78578864), (2, 39289432), (4, 19644716), (7, 11225552), (8, 9822358), (13, 6044528), (14, 5612776), (16, 4911179), (26, 3022264), (28, 2806388), (29, 2709616), (52, 1511132), (56, 1403194), (58, 1354808), (91, 863504), (104, 755566), (112, 701597), (116, 677404), (182, 431752), (203, 387088), (208, 377783), (232, 338702), (364, 215876), (377, 208432), (406, 193544), (464, 169351), (728, 107938), (754, 104216), (812, 96772), (1456, 53969), (1508, 52108), (1624, 48386), (1861, 42224), (2639, 29776), (3016, 26054), (3248, 24193), (3722, 21112), (5278, 14888), (6032, 13027), (7444, 10556)]