72345286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 121040640

約数和(自身を除く): 48695354

約数列:

[1, 2, 13, 26, 37, 74, 157, 314, 479, 481, 958, 962, 2041, 4082, 5809, 6227, 11618, 12454, 17723, 35446, 75203, 75517, 150406, 151034, 230399, 460798, 977639, 1955278, 2782511, 5565022, 36172643, 72345286]

約数ペア:

[(1, 72345286), (2, 36172643), (13, 5565022), (26, 2782511), (37, 1955278), (74, 977639), (157, 460798), (314, 230399), (479, 151034), (481, 150406), (958, 75517), (962, 75203), (2041, 35446), (4082, 17723), (5809, 12454), (6227, 11618)]