199987585

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 284838912

約数和(自身を除く): 84851327

約数列:

[1, 5, 7, 35, 47, 61, 235, 305, 329, 427, 1645, 1993, 2135, 2867, 9965, 13951, 14335, 20069, 69755, 93671, 100345, 121573, 468355, 607865, 655697, 851011, 3278485, 4255055, 5713931, 28569655, 39997517, 199987585]

約数ペア:

[(1, 199987585), (5, 39997517), (7, 28569655), (35, 5713931), (47, 4255055), (61, 3278485), (235, 851011), (305, 655697), (329, 607865), (427, 468355), (1645, 121573), (1993, 100345), (2135, 93671), (2867, 69755), (9965, 20069), (13951, 14335)]