1298128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:179

約数の個数: 30

約数和(自身を含む): 2743314

約数和(自身を除く): 1445186

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 6241, 8216, 12482, 16432, 24964, 49928, 81133, 99856, 162266, 324532, 649064, 1298128]

約数ペア:

[(1, 1298128), (2, 649064), (4, 324532), (8, 162266), (13, 99856), (16, 81133), (26, 49928), (52, 24964), (79, 16432), (104, 12482), (158, 8216), (208, 6241), (316, 4108), (632, 2054), (1027, 1264)]