64403381

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1303}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 77113344

約数和(自身を除く): 12709963

約数列:

[1, 7, 23, 161, 307, 1303, 2149, 7061, 9121, 29969, 49427, 209783, 400021, 2800147, 9200483, 64403381]

約数ペア:

[(1, 64403381), (7, 9200483), (23, 2800147), (161, 400021), (307, 209783), (1303, 49427), (2149, 29969), (7061, 9121)]