165643075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 234484992

約数和(自身を除く): 68841917

約数列:

[1, 5, 13, 25, 31, 41, 65, 155, 205, 325, 401, 403, 533, 775, 1025, 1271, 2005, 2015, 2665, 5213, 6355, 10025, 10075, 12431, 13325, 16441, 16523, 26065, 31775, 62155, 82205, 82615, 130325, 161603, 213733, 310775, 411025, 413075, 509671, 808015, 1068665, 2548355, 4040075, 5343325, 6625723, 12741775, 33128615, 165643075]

約数ペア:

[(1, 165643075), (5, 33128615), (13, 12741775), (25, 6625723), (31, 5343325), (41, 4040075), (65, 2548355), (155, 1068665), (205, 808015), (325, 509671), (401, 413075), (403, 411025), (533, 310775), (775, 213733), (1025, 161603), (1271, 130325), (2005, 82615), (2015, 82205), (2665, 62155), (5213, 31775), (6355, 26065), (10025, 16523), (10075, 16441), (12431, 13325)]