7258390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 13543776

約数和(自身を除く): 6285386

約数列:

[1, 2, 5, 10, 61, 73, 122, 146, 163, 305, 326, 365, 610, 730, 815, 1630, 4453, 8906, 9943, 11899, 19886, 22265, 23798, 44530, 49715, 59495, 99430, 118990, 725839, 1451678, 3629195, 7258390]

約数ペア:

[(1, 7258390), (2, 3629195), (5, 1451678), (10, 725839), (61, 118990), (73, 99430), (122, 59495), (146, 49715), (163, 44530), (305, 23798), (326, 22265), (365, 19886), (610, 11899), (730, 9943), (815, 8906), (1630, 4453)]