64960688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{312311}}^1$

素因数の和:312332

約数の個数: 20

約数和(自身を含む): 135543408

約数和(自身を除く): 70582720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 312311, 624622, 1249244, 2498488, 4060043, 4996976, 8120086, 16240172, 32480344, 64960688]

約数ペア:

[(1, 64960688), (2, 32480344), (4, 16240172), (8, 8120086), (13, 4996976), (16, 4060043), (26, 2498488), (52, 1249244), (104, 624622), (208, 312311)]