28880728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 27002792

約数列:

[1, 2, 4, 8, 41, 82, 164, 191, 328, 382, 461, 764, 922, 1528, 1844, 3688, 7831, 15662, 18901, 31324, 37802, 62648, 75604, 88051, 151208, 176102, 352204, 704408, 3610091, 7220182, 14440364, 28880728]

約数ペア:

[(1, 28880728), (2, 14440364), (4, 7220182), (8, 3610091), (41, 704408), (82, 352204), (164, 176102), (191, 151208), (328, 88051), (382, 75604), (461, 62648), (764, 37802), (922, 31324), (1528, 18901), (1844, 15662), (3688, 7831)]