165870770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 336752640

約数和(自身を除く): 170881870

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 310, 395, 403, 521, 790, 806, 1027, 1042, 2015, 2054, 2449, 2605, 4030, 4898, 5135, 5210, 6773, 10270, 12245, 13546, 16151, 24490, 31837, 32302, 33865, 41159, 63674, 67730, 80755, 82318, 159185, 161510, 205795, 209963, 318370, 411590, 419926, 535067, 1049815, 1070134, 1275929, 2099630, 2551858, 2675335, 5350670, 6379645, 12759290, 16587077, 33174154, 82935385, 165870770]

約数ペア:

[(1, 165870770), (2, 82935385), (5, 33174154), (10, 16587077), (13, 12759290), (26, 6379645), (31, 5350670), (62, 2675335), (65, 2551858), (79, 2099630), (130, 1275929), (155, 1070134), (158, 1049815), (310, 535067), (395, 419926), (403, 411590), (521, 318370), (790, 209963), (806, 205795), (1027, 161510), (1042, 159185), (2015, 82318), (2054, 80755), (2449, 67730), (2605, 63674), (4030, 41159), (4898, 33865), (5135, 32302), (5210, 31837), (6773, 24490), (10270, 16151), (12245, 13546)]