128888018

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2267}}^1$

素因数の和:2438

約数の個数: 32

約数和(自身を含む): 229920768

約数和(自身を除く): 101032750

約数列:

[1, 2, 7, 14, 31, 62, 131, 217, 262, 434, 917, 1834, 2267, 4061, 4534, 8122, 15869, 28427, 31738, 56854, 70277, 140554, 296977, 491939, 593954, 983878, 2078839, 4157678, 9206287, 18412574, 64444009, 128888018]

約数ペア:

[(1, 128888018), (2, 64444009), (7, 18412574), (14, 9206287), (31, 4157678), (62, 2078839), (131, 983878), (217, 593954), (262, 491939), (434, 296977), (917, 140554), (1834, 70277), (2267, 56854), (4061, 31738), (4534, 28427), (8122, 15869)]