64931890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 120360816

約数和(自身を除く): 55428926

約数列:

[1, 2, 5, 10, 53, 101, 106, 202, 265, 505, 530, 1010, 1213, 2426, 5353, 6065, 10706, 12130, 26765, 53530, 64289, 122513, 128578, 245026, 321445, 612565, 642890, 1225130, 6493189, 12986378, 32465945, 64931890]

約数ペア:

[(1, 64931890), (2, 32465945), (5, 12986378), (10, 6493189), (53, 1225130), (101, 642890), (106, 612565), (202, 321445), (265, 245026), (505, 128578), (530, 122513), (1010, 64289), (1213, 53530), (2426, 26765), (5353, 12130), (6065, 10706)]