1219859420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4691767}}^1$

素因数の和:4691789

約数の個数: 24

約数和(自身を含む): 2758759584

約数和(自身を除く): 1538900164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4691767, 9383534, 18767068, 23458835, 46917670, 60992971, 93835340, 121985942, 243971884, 304964855, 609929710, 1219859420]

約数ペア:

[(1, 1219859420), (2, 609929710), (4, 304964855), (5, 243971884), (10, 121985942), (13, 93835340), (20, 60992971), (26, 46917670), (52, 23458835), (65, 18767068), (130, 9383534), (260, 4691767)]