1280851910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{579571}}^1$

素因数の和:579608

約数の個数: 32

約数和(自身を含む): 2628938592

約数和(自身を除く): 1348086682

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 579571, 1159142, 2897855, 5795710, 7534423, 9852707, 15068846, 19705414, 37672115, 49263535, 75344230, 98527070, 128085191, 256170382, 640425955, 1280851910]

約数ペア:

[(1, 1280851910), (2, 640425955), (5, 256170382), (10, 128085191), (13, 98527070), (17, 75344230), (26, 49263535), (34, 37672115), (65, 19705414), (85, 15068846), (130, 9852707), (170, 7534423), (221, 5795710), (442, 2897855), (1105, 1159142), (2210, 579571)]