155742574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 105531026

約数列:

[1, 2, 13, 26, 31, 62, 199, 398, 403, 806, 971, 1942, 2587, 5174, 6169, 12338, 12623, 25246, 30101, 60202, 80197, 160394, 193229, 386458, 391313, 782626, 2511977, 5023954, 5990099, 11980198, 77871287, 155742574]

約数ペア:

[(1, 155742574), (2, 77871287), (13, 11980198), (26, 5990099), (31, 5023954), (62, 2511977), (199, 782626), (398, 391313), (403, 386458), (806, 193229), (971, 160394), (1942, 80197), (2587, 60202), (5174, 30101), (6169, 25246), (12338, 12623)]