64561718

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{761}}^1$

素因数の和:1040

約数の個数: 24

約数和(自身を含む): 105421176

約数和(自身を除く): 40859458

約数列:

[1, 2, 13, 26, 169, 251, 338, 502, 761, 1522, 3263, 6526, 9893, 19786, 42419, 84838, 128609, 191011, 257218, 382022, 2483143, 4966286, 32280859, 64561718]

約数ペア:

[(1, 64561718), (2, 32280859), (13, 4966286), (26, 2483143), (169, 382022), (251, 257218), (338, 191011), (502, 128609), (761, 84838), (1522, 42419), (3263, 19786), (6526, 9893)]