64159870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 127961856

約数和(自身を除く): 63801986

約数列:

[1, 2, 5, 10, 17, 34, 43, 67, 85, 86, 131, 134, 170, 215, 262, 335, 430, 655, 670, 731, 1139, 1310, 1462, 2227, 2278, 2881, 3655, 4454, 5633, 5695, 5762, 7310, 8777, 11135, 11266, 11390, 14405, 17554, 22270, 28165, 28810, 43885, 48977, 56330, 87770, 95761, 97954, 149209, 191522, 244885, 298418, 377411, 478805, 489770, 746045, 754822, 957610, 1492090, 1887055, 3774110, 6415987, 12831974, 32079935, 64159870]

約数ペア:

[(1, 64159870), (2, 32079935), (5, 12831974), (10, 6415987), (17, 3774110), (34, 1887055), (43, 1492090), (67, 957610), (85, 754822), (86, 746045), (131, 489770), (134, 478805), (170, 377411), (215, 298418), (262, 244885), (335, 191522), (430, 149209), (655, 97954), (670, 95761), (731, 87770), (1139, 56330), (1310, 48977), (1462, 43885), (2227, 28810), (2278, 28165), (2881, 22270), (3655, 17554), (4454, 14405), (5633, 11390), (5695, 11266), (5762, 11135), (7310, 8777)]