1399438430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{18919}}^1$

素因数の和:19508

約数の個数: 32

約数和(自身を含む): 2717668800

約数和(自身を除く): 1318230370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 569, 1138, 2845, 5690, 7397, 14794, 18919, 36985, 37838, 73970, 94595, 189190, 245947, 491894, 1229735, 2459470, 10764911, 21529822, 53824555, 107649110, 139943843, 279887686, 699719215, 1399438430]

約数ペア:

[(1, 1399438430), (2, 699719215), (5, 279887686), (10, 139943843), (13, 107649110), (26, 53824555), (65, 21529822), (130, 10764911), (569, 2459470), (1138, 1229735), (2845, 491894), (5690, 245947), (7397, 189190), (14794, 94595), (18919, 73970), (36985, 37838)]