28976816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 36161872

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 88, 94, 113, 124, 176, 188, 226, 248, 341, 376, 452, 496, 517, 682, 752, 904, 1034, 1243, 1364, 1457, 1808, 2068, 2486, 2728, 2914, 3503, 4136, 4972, 5311, 5456, 5828, 7006, 8272, 9944, 10622, 11656, 14012, 16027, 19888, 21244, 23312, 28024, 32054, 38533, 42488, 56048, 58421, 64108, 77066, 84976, 116842, 128216, 154132, 164641, 233684, 256432, 308264, 329282, 467368, 616528, 658564, 934736, 1317128, 1811051, 2634256, 3622102, 7244204, 14488408, 28976816]

約数ペア:

[(1, 28976816), (2, 14488408), (4, 7244204), (8, 3622102), (11, 2634256), (16, 1811051), (22, 1317128), (31, 934736), (44, 658564), (47, 616528), (62, 467368), (88, 329282), (94, 308264), (113, 256432), (124, 233684), (176, 164641), (188, 154132), (226, 128216), (248, 116842), (341, 84976), (376, 77066), (452, 64108), (496, 58421), (517, 56048), (682, 42488), (752, 38533), (904, 32054), (1034, 28024), (1243, 23312), (1364, 21244), (1457, 19888), (1808, 16027), (2068, 14012), (2486, 11656), (2728, 10622), (2914, 9944), (3503, 8272), (4136, 7006), (4972, 5828), (5311, 5456)]