517971376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2490247}}^1$

素因数の和:2490268

約数の個数: 20

約数和(自身を含む): 1080767632

約数和(自身を除く): 562796256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2490247, 4980494, 9960988, 19921976, 32373211, 39843952, 64746422, 129492844, 258985688, 517971376]

約数ペア:

[(1, 517971376), (2, 258985688), (4, 129492844), (8, 64746422), (13, 39843952), (16, 32373211), (26, 19921976), (52, 9960988), (104, 4980494), (208, 2490247)]