64811984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{139681}}^1$

素因数の和:139718

約数の個数: 20

約数和(自身を含む): 129904260

約数和(自身を除く): 65092276

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 139681, 279362, 558724, 1117448, 2234896, 4050749, 8101498, 16202996, 32405992, 64811984]

約数ペア:

[(1, 64811984), (2, 32405992), (4, 16202996), (8, 8101498), (16, 4050749), (29, 2234896), (58, 1117448), (116, 558724), (232, 279362), (464, 139681)]