28941848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 32989672

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 188, 191, 248, 376, 382, 403, 611, 764, 806, 1222, 1457, 1528, 1612, 2444, 2483, 2914, 3224, 4888, 4966, 5828, 5921, 8977, 9932, 11656, 11842, 17954, 18941, 19864, 23684, 35908, 37882, 47368, 71816, 75764, 76973, 116701, 151528, 153946, 233402, 278287, 307892, 466804, 556574, 615784, 933608, 1113148, 2226296, 3617731, 7235462, 14470924, 28941848]

約数ペア:

[(1, 28941848), (2, 14470924), (4, 7235462), (8, 3617731), (13, 2226296), (26, 1113148), (31, 933608), (47, 615784), (52, 556574), (62, 466804), (94, 307892), (104, 278287), (124, 233402), (188, 153946), (191, 151528), (248, 116701), (376, 76973), (382, 75764), (403, 71816), (611, 47368), (764, 37882), (806, 35908), (1222, 23684), (1457, 19864), (1528, 18941), (1612, 17954), (2444, 11842), (2483, 11656), (2914, 9932), (3224, 8977), (4888, 5921), (4966, 5828)]