628393431

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{677}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 890403840

約数和(自身を除く): 262010409

約数列:

[1, 3, 29, 47, 87, 141, 227, 677, 681, 1363, 2031, 4089, 6583, 10669, 19633, 19749, 31819, 32007, 58899, 95457, 153679, 309401, 461037, 922751, 928203, 2768253, 4456691, 7222913, 13370073, 21668739, 209464477, 628393431]

約数ペア:

[(1, 628393431), (3, 209464477), (29, 21668739), (47, 13370073), (87, 7222913), (141, 4456691), (227, 2768253), (677, 928203), (681, 922751), (1363, 461037), (2031, 309401), (4089, 153679), (6583, 95457), (10669, 58899), (19633, 32007), (19749, 31819)]