25121848

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 23504072

約数列:

[1, 2, 4, 8, 41, 82, 164, 191, 328, 382, 401, 764, 802, 1528, 1604, 3208, 7831, 15662, 16441, 31324, 32882, 62648, 65764, 76591, 131528, 153182, 306364, 612728, 3140231, 6280462, 12560924, 25121848]

約数ペア:

[(1, 25121848), (2, 12560924), (4, 6280462), (8, 3140231), (41, 612728), (82, 306364), (164, 153182), (191, 131528), (328, 76591), (382, 65764), (401, 62648), (764, 32882), (802, 31324), (1528, 16441), (1604, 15662), (3208, 7831)]