71260816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 160132608

約数和(自身を除く): 88871792

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 88, 124, 148, 176, 248, 296, 341, 353, 407, 496, 592, 682, 706, 814, 1147, 1364, 1412, 1628, 2294, 2728, 2824, 3256, 3883, 4588, 5456, 5648, 6512, 7766, 9176, 10943, 12617, 13061, 15532, 18352, 21886, 25234, 26122, 31064, 43772, 50468, 52244, 62128, 87544, 100936, 104488, 120373, 143671, 175088, 201872, 208976, 240746, 287342, 404891, 481492, 574684, 809782, 962984, 1149368, 1619564, 1925968, 2298736, 3239128, 4453801, 6478256, 8907602, 17815204, 35630408, 71260816]

約数ペア:

[(1, 71260816), (2, 35630408), (4, 17815204), (8, 8907602), (11, 6478256), (16, 4453801), (22, 3239128), (31, 2298736), (37, 1925968), (44, 1619564), (62, 1149368), (74, 962984), (88, 809782), (124, 574684), (148, 481492), (176, 404891), (248, 287342), (296, 240746), (341, 208976), (353, 201872), (407, 175088), (496, 143671), (592, 120373), (682, 104488), (706, 100936), (814, 87544), (1147, 62128), (1364, 52244), (1412, 50468), (1628, 43772), (2294, 31064), (2728, 26122), (2824, 25234), (3256, 21886), (3883, 18352), (4588, 15532), (5456, 13061), (5648, 12617), (6512, 10943), (7766, 9176)]