389640364

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{21089}}^1$

素因数の和:21273

約数の個数: 24

約数和(自身を含む): 708624000

約数和(自身を除く): 318983636

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 4619, 9238, 18476, 21089, 42178, 84356, 653759, 1307518, 2615036, 3142261, 6284522, 12569044, 97410091, 194820182, 389640364]

約数ペア:

[(1, 389640364), (2, 194820182), (4, 97410091), (31, 12569044), (62, 6284522), (124, 3142261), (149, 2615036), (298, 1307518), (596, 653759), (4619, 84356), (9238, 42178), (18476, 21089)]