321796150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{495071}}^1$

素因数の和:495096

約数の個数: 24

約数和(自身を含む): 644583744

約数和(自身を除く): 322787594

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 495071, 990142, 2475355, 4950710, 6435923, 12376775, 12871846, 24753550, 32179615, 64359230, 160898075, 321796150]

約数ペア:

[(1, 321796150), (2, 160898075), (5, 64359230), (10, 32179615), (13, 24753550), (25, 12871846), (26, 12376775), (50, 6435923), (65, 4950710), (130, 2475355), (325, 990142), (650, 495071)]