216975710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{42461}}^1$

素因数の和:42548

約数の個数: 32

約数和(自身を含む): 452475072

約数和(自身を除く): 235499362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 42461, 84922, 212305, 297227, 424610, 594454, 1486135, 2972270, 3099653, 6199306, 15498265, 21697571, 30996530, 43395142, 108487855, 216975710]

約数ペア:

[(1, 216975710), (2, 108487855), (5, 43395142), (7, 30996530), (10, 21697571), (14, 15498265), (35, 6199306), (70, 3099653), (73, 2972270), (146, 1486135), (365, 594454), (511, 424610), (730, 297227), (1022, 212305), (2555, 84922), (5110, 42461)]