38694890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17509}}^1$

素因数の和:17546

約数の個数: 32

約数和(自身を含む): 79425360

約数和(自身を除く): 40730470

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 17509, 35018, 87545, 175090, 227617, 297653, 455234, 595306, 1138085, 1488265, 2276170, 2976530, 3869489, 7738978, 19347445, 38694890]

約数ペア:

[(1, 38694890), (2, 19347445), (5, 7738978), (10, 3869489), (13, 2976530), (17, 2276170), (26, 1488265), (34, 1138085), (65, 595306), (85, 455234), (130, 297653), (170, 227617), (221, 175090), (442, 87545), (1105, 35018), (2210, 17509)]