420706508

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{907}}^1\times {\mathrm{1901}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 749524944

約数和(自身を除く): 328818436

約数列:

[1, 2, 4, 61, 122, 244, 907, 1814, 1901, 3628, 3802, 7604, 55327, 110654, 115961, 221308, 231922, 463844, 1724207, 3448414, 6896828, 105176627, 210353254, 420706508]

約数ペア:

[(1, 420706508), (2, 210353254), (4, 105176627), (61, 6896828), (122, 3448414), (244, 1724207), (907, 463844), (1814, 231922), (1901, 221308), (3628, 115961), (3802, 110654), (7604, 55327)]