207875590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{3499}}^1$

素因数の和:3976

約数の個数: 32

約数和(自身を含む): 403956000

約数和(自身を除く): 196080410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 457, 914, 2285, 3499, 4570, 5941, 6998, 11882, 17495, 29705, 34990, 45487, 59410, 90974, 227435, 454870, 1599043, 3198086, 7995215, 15990430, 20787559, 41575118, 103937795, 207875590]

約数ペア:

[(1, 207875590), (2, 103937795), (5, 41575118), (10, 20787559), (13, 15990430), (26, 7995215), (65, 3198086), (130, 1599043), (457, 454870), (914, 227435), (2285, 90974), (3499, 59410), (4570, 45487), (5941, 34990), (6998, 29705), (11882, 17495)]