13391945

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 19108224

約数和(自身を除く): 5716279

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1163, 1645, 2303, 5815, 8141, 11515, 40705, 54661, 56987, 273305, 284935, 382627, 1913135, 2678389, 13391945]

約数ペア:

[(1, 13391945), (5, 2678389), (7, 1913135), (35, 382627), (47, 284935), (49, 273305), (235, 56987), (245, 54661), (329, 40705), (1163, 11515), (1645, 8141), (2303, 5815)]