644653252802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{166405073}}^1$

素因数の和:166405237

約数の個数: 16

約数和(自身を含む): 1048351966200

約数和(自身を除く): 403698713398

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 166405073, 332810146, 2163265949, 4326531898, 24794355877, 49588711754, 322326626401, 644653252802]

約数ペア:

[(1, 644653252802), (2, 322326626401), (13, 49588711754), (26, 24794355877), (149, 4326531898), (298, 2163265949), (1937, 332810146), (3874, 166405073)]