13480490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 25894080

約数和(自身を除く): 12413590

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 179, 358, 443, 886, 895, 1790, 2215, 3043, 4430, 6086, 7531, 15062, 15215, 30430, 37655, 75310, 79297, 158594, 396485, 792970, 1348049, 2696098, 6740245, 13480490]

約数ペア:

[(1, 13480490), (2, 6740245), (5, 2696098), (10, 1348049), (17, 792970), (34, 396485), (85, 158594), (170, 79297), (179, 75310), (358, 37655), (443, 30430), (886, 15215), (895, 15062), (1790, 7531), (2215, 6086), (3043, 4430)]