8915990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 17146080

約数和(自身を除く): 8230090

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 179, 293, 358, 586, 895, 1465, 1790, 2930, 3043, 4981, 6086, 9962, 15215, 24905, 30430, 49810, 52447, 104894, 262235, 524470, 891599, 1783198, 4457995, 8915990]

約数ペア:

[(1, 8915990), (2, 4457995), (5, 1783198), (10, 891599), (17, 524470), (34, 262235), (85, 104894), (170, 52447), (179, 49810), (293, 30430), (358, 24905), (586, 15215), (895, 9962), (1465, 6086), (1790, 4981), (2930, 3043)]