156976173890

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1\times {\mathrm{80407}}^1$

素因数の和:81602

約数の個数: 32

約数和(自身を含む): 284281519104

約数和(自身を除く): 127305345214

約数列:

[1, 2, 5, 10, 197, 394, 985, 991, 1970, 1982, 4955, 9910, 80407, 160814, 195227, 390454, 402035, 804070, 976135, 1952270, 15840179, 31680358, 79200895, 79683337, 158401790, 159366674, 398416685, 796833370, 15697617389, 31395234778, 78488086945, 156976173890]

約数ペア:

[(1, 156976173890), (2, 78488086945), (5, 31395234778), (10, 15697617389), (197, 796833370), (394, 398416685), (985, 159366674), (991, 158401790), (1970, 79683337), (1982, 79200895), (4955, 31680358), (9910, 15840179), (80407, 1952270), (160814, 976135), (195227, 804070), (390454, 402035)]