64877978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 45437542

約数列:

[1, 2, 11, 22, 31, 62, 251, 341, 379, 502, 682, 758, 2761, 4169, 5522, 7781, 8338, 11749, 15562, 23498, 85591, 95129, 129239, 171182, 190258, 258478, 1046419, 2092838, 2948999, 5897998, 32438989, 64877978]

約数ペア:

[(1, 64877978), (2, 32438989), (11, 5897998), (22, 2948999), (31, 2092838), (62, 1046419), (251, 258478), (341, 190258), (379, 171182), (502, 129239), (682, 95129), (758, 85591), (2761, 23498), (4169, 15562), (5522, 11749), (7781, 8338)]