90705904

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{71761}}^1$

素因数の和:71848

約数の個数: 20

約数和(自身を含む): 177969760

約数和(自身を除く): 87263856

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 71761, 143522, 287044, 574088, 1148176, 5669119, 11338238, 22676476, 45352952, 90705904]

約数ペア:

[(1, 90705904), (2, 45352952), (4, 22676476), (8, 11338238), (16, 5669119), (79, 1148176), (158, 574088), (316, 287044), (632, 143522), (1264, 71761)]