64859970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{308857}}^1$

素因数の和:308874

約数の個数: 32

約数和(自身を含む): 177902208

約数和(自身を除く): 113042238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 308857, 617714, 926571, 1544285, 1853142, 2161999, 3088570, 4323998, 4632855, 6485997, 9265710, 10809995, 12971994, 21619990, 32429985, 64859970]

約数ペア:

[(1, 64859970), (2, 32429985), (3, 21619990), (5, 12971994), (6, 10809995), (7, 9265710), (10, 6485997), (14, 4632855), (15, 4323998), (21, 3088570), (30, 2161999), (35, 1853142), (42, 1544285), (70, 926571), (105, 617714), (210, 308857)]