666887910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709969}}^1$

素因数の和:1709992

約数の個数: 32

約数和(自身を含む): 1723649760

約数和(自身を除く): 1056761850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1709969, 3419938, 5129907, 8549845, 10259814, 17099690, 22229597, 25649535, 44459194, 51299070, 66688791, 111147985, 133377582, 222295970, 333443955, 666887910]

約数ペア:

[(1, 666887910), (2, 333443955), (3, 222295970), (5, 133377582), (6, 111147985), (10, 66688791), (13, 51299070), (15, 44459194), (26, 25649535), (30, 22229597), (39, 17099690), (65, 10259814), (78, 8549845), (130, 5129907), (195, 3419938), (390, 1709969)]