64675312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1301}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 135616320

約数和(自身を除く): 70941008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 956, 1301, 1912, 2602, 3107, 3824, 5204, 6214, 10408, 12428, 16913, 20816, 24856, 33826, 49712, 67652, 135304, 270608, 310939, 621878, 1243756, 2487512, 4042207, 4975024, 8084414, 16168828, 32337656, 64675312]

約数ペア:

[(1, 64675312), (2, 32337656), (4, 16168828), (8, 8084414), (13, 4975024), (16, 4042207), (26, 2487512), (52, 1243756), (104, 621878), (208, 310939), (239, 270608), (478, 135304), (956, 67652), (1301, 49712), (1912, 33826), (2602, 24856), (3107, 20816), (3824, 16913), (5204, 12428), (6214, 10408)]