81885856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4801}}^1$

素因数の和:4865

約数の個数: 48

約数和(自身を含む): 177885288

約数和(自身を除く): 95999432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 2132, 4264, 4801, 8528, 9602, 17056, 19204, 38408, 62413, 76816, 124826, 153632, 196841, 249652, 393682, 499304, 787364, 998608, 1574728, 1997216, 2558933, 3149456, 5117866, 6298912, 10235732, 20471464, 40942928, 81885856]

約数ペア:

[(1, 81885856), (2, 40942928), (4, 20471464), (8, 10235732), (13, 6298912), (16, 5117866), (26, 3149456), (32, 2558933), (41, 1997216), (52, 1574728), (82, 998608), (104, 787364), (164, 499304), (208, 393682), (328, 249652), (416, 196841), (533, 153632), (656, 124826), (1066, 76816), (1312, 62413), (2132, 38408), (4264, 19204), (4801, 17056), (8528, 9602)]