815331376

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{51421}}^1$

素因数の和:52420

約数の個数: 20

約数和(自身を含む): 1581329344

約数和(自身を除く): 765997968

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 15856, 51421, 102842, 205684, 411368, 822736, 50958211, 101916422, 203832844, 407665688, 815331376]

約数ペア:

[(1, 815331376), (2, 407665688), (4, 203832844), (8, 101916422), (16, 50958211), (991, 822736), (1982, 411368), (3964, 205684), (7928, 102842), (15856, 51421)]