129883715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 177811200

約数和(自身を除く): 47927485

約数列:

[1, 5, 13, 19, 65, 95, 247, 251, 419, 1235, 1255, 2095, 3263, 4769, 5447, 7961, 16315, 23845, 27235, 39805, 61997, 103493, 105169, 309985, 517465, 525845, 1367197, 1998211, 6835985, 9991055, 25976743, 129883715]

約数ペア:

[(1, 129883715), (5, 25976743), (13, 9991055), (19, 6835985), (65, 1998211), (95, 1367197), (247, 525845), (251, 517465), (419, 309985), (1235, 105169), (1255, 103493), (2095, 61997), (3263, 39805), (4769, 27235), (5447, 23845), (7961, 16315)]