1231568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 2666496

約数和(自身を除く): 1434928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 191, 208, 248, 382, 403, 496, 764, 806, 1528, 1612, 2483, 3056, 3224, 4966, 5921, 6448, 9932, 11842, 19864, 23684, 39728, 47368, 76973, 94736, 153946, 307892, 615784, 1231568]

約数ペア:

[(1, 1231568), (2, 615784), (4, 307892), (8, 153946), (13, 94736), (16, 76973), (26, 47368), (31, 39728), (52, 23684), (62, 19864), (104, 11842), (124, 9932), (191, 6448), (208, 5921), (248, 4966), (382, 3224), (403, 3056), (496, 2483), (764, 1612), (806, 1528)]