219093368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67957}}^1$

素因数の和:68007

約数の個数: 32

約数和(自身を含む): 456677760

約数和(自身を除く): 237584392

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 67957, 135914, 271828, 543656, 883441, 1766882, 2106667, 3533764, 4213334, 7067528, 8426668, 16853336, 27386671, 54773342, 109546684, 219093368]

約数ペア:

[(1, 219093368), (2, 109546684), (4, 54773342), (8, 27386671), (13, 16853336), (26, 8426668), (31, 7067528), (52, 4213334), (62, 3533764), (104, 2106667), (124, 1766882), (248, 883441), (403, 543656), (806, 271828), (1612, 135914), (3224, 67957)]