280121608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{62639}}^1$

素因数の和:62701

約数の個数: 32

約数和(自身を含む): 578793600

約数和(自身を除く): 298671992

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 62639, 125278, 250556, 501112, 814307, 1628614, 2693477, 3257228, 5386954, 6514456, 10773908, 21547816, 35015201, 70030402, 140060804, 280121608]

約数ペア:

[(1, 280121608), (2, 140060804), (4, 70030402), (8, 35015201), (13, 21547816), (26, 10773908), (43, 6514456), (52, 5386954), (86, 3257228), (104, 2693477), (172, 1628614), (344, 814307), (559, 501112), (1118, 250556), (2236, 125278), (4472, 62639)]