389746

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 24

約数和(自身を含む): 703836

約数和(自身を除く): 314090

約数列:

[1, 2, 7, 14, 41, 49, 82, 97, 98, 194, 287, 574, 679, 1358, 2009, 3977, 4018, 4753, 7954, 9506, 27839, 55678, 194873, 389746]

約数ペア:

[(1, 389746), (2, 194873), (7, 55678), (14, 27839), (41, 9506), (49, 7954), (82, 4753), (97, 4018), (98, 3977), (194, 2009), (287, 1358), (574, 679)]