289502408

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{214129}}^1$

素因数の和:214161

約数の個数: 24

約数和(自身を含む): 587786850

約数和(自身を除く): 298284442

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 214129, 428258, 856516, 1713032, 2783677, 5567354, 11134708, 22269416, 36187801, 72375602, 144751204, 289502408]

約数ペア:

[(1, 289502408), (2, 144751204), (4, 72375602), (8, 36187801), (13, 22269416), (26, 11134708), (52, 5567354), (104, 2783677), (169, 1713032), (338, 856516), (676, 428258), (1352, 214129)]