15888975991

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 18533007360

約数和(自身を除く): 2644031369

約数列:

[1, 7, 113, 179, 293, 383, 791, 1253, 2051, 2681, 20227, 33109, 43279, 52447, 68557, 112219, 141589, 231763, 302953, 367129, 479899, 785533, 5926511, 7746941, 12680747, 20087201, 41485577, 54228587, 88765229, 140610407, 2269853713, 15888975991]

約数ペア:

[(1, 15888975991), (7, 2269853713), (113, 140610407), (179, 88765229), (293, 54228587), (383, 41485577), (791, 20087201), (1253, 12680747), (2051, 7746941), (2681, 5926511), (20227, 785533), (33109, 479899), (43279, 367129), (52447, 302953), (68557, 231763), (112219, 141589)]