631445878

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 1094430528

約数和(自身を除く): 462984650

約数列:

[1, 2, 7, 14, 137, 274, 401, 802, 821, 959, 1642, 1918, 2807, 5614, 5747, 11494, 54937, 109874, 112477, 224954, 329221, 384559, 658442, 769118, 787339, 1574678, 2304547, 4609094, 45103277, 90206554, 315722939, 631445878]

約数ペア:

[(1, 631445878), (2, 315722939), (7, 90206554), (14, 45103277), (137, 4609094), (274, 2304547), (401, 1574678), (802, 787339), (821, 769118), (959, 658442), (1642, 384559), (1918, 329221), (2807, 224954), (5614, 112477), (5747, 109874), (11494, 54937)]