31213136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{47581}}^1$

素因数の和:47630

約数の個数: 20

約数和(自身を含む): 61951764

約数和(自身を除く): 30738628

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 47581, 95162, 190324, 380648, 761296, 1950821, 3901642, 7803284, 15606568, 31213136]

約数ペア:

[(1, 31213136), (2, 15606568), (4, 7803284), (8, 3901642), (16, 1950821), (41, 761296), (82, 380648), (164, 190324), (328, 95162), (656, 47581)]