64985970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{309457}}^1$

素因数の和:309474

約数の個数: 32

約数和(自身を含む): 178247808

約数和(自身を除く): 113261838

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 309457, 618914, 928371, 1547285, 1856742, 2166199, 3094570, 4332398, 4641855, 6498597, 9283710, 10830995, 12997194, 21661990, 32492985, 64985970]

約数ペア:

[(1, 64985970), (2, 32492985), (3, 21661990), (5, 12997194), (6, 10830995), (7, 9283710), (10, 6498597), (14, 4641855), (15, 4332398), (21, 3094570), (30, 2166199), (35, 1856742), (42, 1547285), (70, 928371), (105, 618914), (210, 309457)]