64409870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31729}}^1$

素因数の和:31772

約数の個数: 32

約数和(自身を含む): 137073600

約数和(自身を除く): 72663730

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 31729, 63458, 158645, 222103, 317290, 444206, 920141, 1110515, 1840282, 2221030, 4600705, 6440987, 9201410, 12881974, 32204935, 64409870]

約数ペア:

[(1, 64409870), (2, 32204935), (5, 12881974), (7, 9201410), (10, 6440987), (14, 4600705), (29, 2221030), (35, 1840282), (58, 1110515), (70, 920141), (145, 444206), (203, 317290), (290, 222103), (406, 158645), (1015, 63458), (2030, 31729)]