161807965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 220579200

約数和(自身を除く): 58771235

約数列:

[1, 5, 11, 29, 55, 145, 229, 319, 443, 1145, 1595, 2215, 2519, 4873, 6641, 12595, 12847, 24365, 33205, 64235, 73051, 101447, 141317, 365255, 507235, 706585, 1115917, 2941963, 5579585, 14709815, 32361593, 161807965]

約数ペア:

[(1, 161807965), (5, 32361593), (11, 14709815), (29, 5579585), (55, 2941963), (145, 1115917), (229, 706585), (319, 507235), (443, 365255), (1145, 141317), (1595, 101447), (2215, 73051), (2519, 64235), (4873, 33205), (6641, 24365), (12595, 12847)]