77894765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 107503200

約数和(自身を除く): 29608435

約数列:

[1, 5, 13, 17, 65, 85, 157, 221, 449, 785, 1105, 2041, 2245, 2669, 5837, 7633, 10205, 13345, 29185, 34697, 38165, 70493, 99229, 173485, 352465, 496145, 916409, 1198381, 4582045, 5991905, 15578953, 77894765]

約数ペア:

[(1, 77894765), (5, 15578953), (13, 5991905), (17, 4582045), (65, 1198381), (85, 916409), (157, 496145), (221, 352465), (449, 173485), (785, 99229), (1105, 70493), (2041, 38165), (2245, 34697), (2669, 29185), (5837, 13345), (7633, 10205)]