81707288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{3461}}^1$

素因数の和:3707

約数の個数: 32

約数和(自身を含む): 165760560

約数和(自身を除く): 84053272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 908, 1816, 2951, 3461, 5902, 6922, 11804, 13844, 23608, 27688, 44993, 89986, 179972, 359944, 785647, 1571294, 3142588, 6285176, 10213411, 20426822, 40853644, 81707288]

約数ペア:

[(1, 81707288), (2, 40853644), (4, 20426822), (8, 10213411), (13, 6285176), (26, 3142588), (52, 1571294), (104, 785647), (227, 359944), (454, 179972), (908, 89986), (1816, 44993), (2951, 27688), (3461, 23608), (5902, 13844), (6922, 11804)]