1628848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 3499776

約数和(自身を除く): 1870928

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 191, 208, 328, 382, 533, 656, 764, 1066, 1528, 2132, 2483, 3056, 4264, 4966, 7831, 8528, 9932, 15662, 19864, 31324, 39728, 62648, 101803, 125296, 203606, 407212, 814424, 1628848]

約数ペア:

[(1, 1628848), (2, 814424), (4, 407212), (8, 203606), (13, 125296), (16, 101803), (26, 62648), (41, 39728), (52, 31324), (82, 19864), (104, 15662), (164, 9932), (191, 8528), (208, 7831), (328, 4966), (382, 4264), (533, 3056), (656, 2483), (764, 2132), (1066, 1528)]