920709256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 1874638080

約数和(自身を除く): 953928824

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 97, 136, 142, 194, 284, 388, 568, 776, 983, 1207, 1649, 1966, 2414, 3298, 3932, 4828, 6596, 6887, 7864, 9656, 13192, 13774, 16711, 27548, 33422, 55096, 66844, 69793, 95351, 117079, 133688, 139586, 190702, 234158, 279172, 381404, 468316, 558344, 762808, 936632, 1186481, 1620967, 2372962, 3241934, 4745924, 6483868, 6769921, 9491848, 12967736, 13539842, 27079684, 54159368, 115088657, 230177314, 460354628, 920709256]

約数ペア:

[(1, 920709256), (2, 460354628), (4, 230177314), (8, 115088657), (17, 54159368), (34, 27079684), (68, 13539842), (71, 12967736), (97, 9491848), (136, 6769921), (142, 6483868), (194, 4745924), (284, 3241934), (388, 2372962), (568, 1620967), (776, 1186481), (983, 936632), (1207, 762808), (1649, 558344), (1966, 468316), (2414, 381404), (3298, 279172), (3932, 234158), (4828, 190702), (6596, 139586), (6887, 133688), (7864, 117079), (9656, 95351), (13192, 69793), (13774, 66844), (16711, 55096), (27548, 33422)]