128761388

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97843}}^1$

素因数の和:97901

約数の個数: 24

約数和(自身を含む): 263004672

約数和(自身を除く): 134243284

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 97843, 195686, 391372, 684901, 1369802, 2739604, 4598621, 9197242, 18394484, 32190347, 64380694, 128761388]

約数ペア:

[(1, 128761388), (2, 64380694), (4, 32190347), (7, 18394484), (14, 9197242), (28, 4598621), (47, 2739604), (94, 1369802), (188, 684901), (329, 391372), (658, 195686), (1316, 97843)]