209835652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{130171}}^1$

素因数の和:130219

約数の個数: 24

約数和(自身を含む): 408219392

約数和(自身を除く): 198383740

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 130171, 260342, 520684, 1692223, 3384446, 4035301, 6768892, 8070602, 16141204, 52458913, 104917826, 209835652]

約数ペア:

[(1, 209835652), (2, 104917826), (4, 52458913), (13, 16141204), (26, 8070602), (31, 6768892), (52, 4035301), (62, 3384446), (124, 1692223), (403, 520684), (806, 260342), (1612, 130171)]