13047245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 17625600

約数和(自身を除く): 4578355

約数列:

[1, 5, 17, 29, 67, 79, 85, 145, 335, 395, 493, 1139, 1343, 1943, 2291, 2465, 5293, 5695, 6715, 9715, 11455, 26465, 33031, 38947, 89981, 153497, 165155, 194735, 449905, 767485, 2609449, 13047245]

約数ペア:

[(1, 13047245), (5, 2609449), (17, 767485), (29, 449905), (67, 194735), (79, 165155), (85, 153497), (145, 89981), (335, 38947), (395, 33031), (493, 26465), (1139, 11455), (1343, 9715), (1943, 6715), (2291, 5695), (2465, 5293)]