672240569

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 905022720

約数和(自身を除く): 232782151

約数列:

[1, 7, 11, 13, 77, 91, 143, 521, 1001, 1289, 3647, 5731, 6773, 9023, 14179, 16757, 40117, 47411, 74503, 99253, 117299, 184327, 521521, 671569, 1290289, 4700983, 7387259, 8730397, 51710813, 61112779, 96034367, 672240569]

約数ペア:

[(1, 672240569), (7, 96034367), (11, 61112779), (13, 51710813), (77, 8730397), (91, 7387259), (143, 4700983), (521, 1290289), (1001, 671569), (1289, 521521), (3647, 184327), (5731, 117299), (6773, 99253), (9023, 74503), (14179, 47411), (16757, 40117)]