256919164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{12071}}^1$

素因数の和:12405

約数の個数: 24

約数和(自身を含む): 477616608

約数和(自身を除く): 220697444

約数列:

[1, 2, 4, 17, 34, 68, 313, 626, 1252, 5321, 10642, 12071, 21284, 24142, 48284, 205207, 410414, 820828, 3778223, 7556446, 15112892, 64229791, 128459582, 256919164]

約数ペア:

[(1, 256919164), (2, 128459582), (4, 64229791), (17, 15112892), (34, 7556446), (68, 3778223), (313, 820828), (626, 410414), (1252, 205207), (5321, 48284), (10642, 24142), (12071, 21284)]