256943930

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{309571}}^1$

素因数の和:309661

約数の個数: 16

約数和(自身を含む): 468072864

約数和(自身を除く): 211128934

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 309571, 619142, 1547855, 3095710, 25694393, 51388786, 128471965, 256943930]

約数ペア:

[(1, 256943930), (2, 128471965), (5, 51388786), (10, 25694393), (83, 3095710), (166, 1547855), (415, 619142), (830, 309571)]