64811266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 108896256

約数和(自身を除く): 44084990

約数列:

[1, 2, 13, 26, 31, 62, 191, 382, 403, 421, 806, 842, 2483, 4966, 5473, 5921, 10946, 11842, 13051, 26102, 76973, 80411, 153946, 160822, 169663, 339326, 1045343, 2090686, 2492741, 4985482, 32405633, 64811266]

約数ペア:

[(1, 64811266), (2, 32405633), (13, 4985482), (26, 2492741), (31, 2090686), (62, 1045343), (191, 339326), (382, 169663), (403, 160822), (421, 153946), (806, 80411), (842, 76973), (2483, 26102), (4966, 13051), (5473, 11842), (5921, 10946)]