215804578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{316429}}^1$

素因数の和:316473

約数の個数: 16

約数和(自身を含む): 364527360

約数和(自身を除く): 148722782

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 316429, 632858, 3480719, 6961438, 9809299, 19618598, 107902289, 215804578]

約数ペア:

[(1, 215804578), (2, 107902289), (11, 19618598), (22, 9809299), (31, 6961438), (62, 3480719), (341, 632858), (682, 316429)]