321043970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2477}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 623207088

約数和(自身を除く): 302163118

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 997, 1994, 2477, 4954, 4985, 9970, 12385, 12961, 24770, 25922, 32201, 64402, 64805, 129610, 161005, 322010, 2469569, 4939138, 12347845, 24695690, 32104397, 64208794, 160521985, 321043970]

約数ペア:

[(1, 321043970), (2, 160521985), (5, 64208794), (10, 32104397), (13, 24695690), (26, 12347845), (65, 4939138), (130, 2469569), (997, 322010), (1994, 161005), (2477, 129610), (4954, 64805), (4985, 64402), (9970, 32201), (12385, 25922), (12961, 24770)]