128950144

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{43801}}^1$

素因数の和:43838

約数の個数: 32

約数和(自身を含む): 268068240

約数和(自身を除く): 139118096

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 43801, 87602, 175204, 350408, 700816, 1007423, 1401632, 2014846, 2803264, 4029692, 5606528, 8059384, 16118768, 32237536, 64475072, 128950144]

約数ペア:

[(1, 128950144), (2, 64475072), (4, 32237536), (8, 16118768), (16, 8059384), (23, 5606528), (32, 4029692), (46, 2803264), (64, 2014846), (92, 1401632), (128, 1007423), (184, 700816), (368, 350408), (736, 175204), (1472, 87602), (2944, 43801)]