81303208

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39239}}^1$

素因数の和:39289

約数の個数: 32

約数和(自身を含む): 178934400

約数和(自身を除く): 97631192

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39239, 78478, 156956, 274673, 313912, 549346, 1098692, 1451843, 2197384, 2903686, 5807372, 10162901, 11614744, 20325802, 40651604, 81303208]

約数ペア:

[(1, 81303208), (2, 40651604), (4, 20325802), (7, 11614744), (8, 10162901), (14, 5807372), (28, 2903686), (37, 2197384), (56, 1451843), (74, 1098692), (148, 549346), (259, 313912), (296, 274673), (518, 156956), (1036, 78478), (2072, 39239)]