127989208

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{390211}}^1$

素因数の和:390258

約数の個数: 16

約数和(自身を含む): 245833560

約数和(自身を除く): 117844352

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 390211, 780422, 1560844, 3121688, 15998651, 31997302, 63994604, 127989208]

約数ペア:

[(1, 127989208), (2, 63994604), (4, 31997302), (8, 15998651), (41, 3121688), (82, 1560844), (164, 780422), (328, 390211)]