425039420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1634767}}^1$

素因数の和:1634789

約数の個数: 24

約数和(自身を含む): 961243584

約数和(自身を除く): 536204164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1634767, 3269534, 6539068, 8173835, 16347670, 21251971, 32695340, 42503942, 85007884, 106259855, 212519710, 425039420]

約数ペア:

[(1, 425039420), (2, 212519710), (4, 106259855), (5, 85007884), (10, 42503942), (13, 32695340), (20, 21251971), (26, 16347670), (52, 8173835), (65, 6539068), (130, 3269534), (260, 1634767)]