13012405

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 18800640

約数和(自身を除く): 5788235

約数列:

[1, 5, 7, 31, 35, 67, 155, 179, 217, 335, 469, 895, 1085, 1253, 2077, 2345, 5549, 6265, 10385, 11993, 14539, 27745, 38843, 59965, 72695, 83951, 194215, 371783, 419755, 1858915, 2602481, 13012405]

約数ペア:

[(1, 13012405), (5, 2602481), (7, 1858915), (31, 419755), (35, 371783), (67, 194215), (155, 83951), (179, 72695), (217, 59965), (335, 38843), (469, 27745), (895, 14539), (1085, 11993), (1253, 10385), (2077, 6265), (2345, 5549)]