81351728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{175327}}^1$

素因数の和:175364

約数の個数: 20

約数和(自身を含む): 163055040

約数和(自身を除く): 81703312

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 175327, 350654, 701308, 1402616, 2805232, 5084483, 10168966, 20337932, 40675864, 81351728]

約数ペア:

[(1, 81351728), (2, 40675864), (4, 20337932), (8, 10168966), (16, 5084483), (29, 2805232), (58, 1402616), (116, 701308), (232, 350654), (464, 175327)]