289773016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{17747}}^1$

素因数の和:17923

約数の個数: 32

約数和(自身を含む): 588878640

約数和(自身を除く): 299105624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8164, 16328, 17747, 35494, 70988, 141976, 230711, 461422, 922844, 1845688, 2786279, 5572558, 11145116, 22290232, 36221627, 72443254, 144886508, 289773016]

約数ペア:

[(1, 289773016), (2, 144886508), (4, 72443254), (8, 36221627), (13, 22290232), (26, 11145116), (52, 5572558), (104, 2786279), (157, 1845688), (314, 922844), (628, 461422), (1256, 230711), (2041, 141976), (4082, 70988), (8164, 35494), (16328, 17747)]