64831390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3347}}^1$

素因数の和:3516

約数の個数: 32

約数和(自身を含む): 126554400

約数和(自身を除く): 61723010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3347, 3874, 6694, 9685, 16735, 19370, 33470, 43511, 87022, 217555, 435110, 498703, 997406, 2493515, 4987030, 6483139, 12966278, 32415695, 64831390]

約数ペア:

[(1, 64831390), (2, 32415695), (5, 12966278), (10, 6483139), (13, 4987030), (26, 2493515), (65, 997406), (130, 498703), (149, 435110), (298, 217555), (745, 87022), (1490, 43511), (1937, 33470), (3347, 19370), (3874, 16735), (6694, 9685)]