646872416

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{493043}}^1$

素因数の和:493094

約数の個数: 24

約数和(自身を含む): 1304594424

約数和(自身を除く): 657722008

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 493043, 986086, 1972172, 3944344, 7888688, 15777376, 20214763, 40429526, 80859052, 161718104, 323436208, 646872416]

約数ペア:

[(1, 646872416), (2, 323436208), (4, 161718104), (8, 80859052), (16, 40429526), (32, 20214763), (41, 15777376), (82, 7888688), (164, 3944344), (328, 1972172), (656, 986086), (1312, 493043)]