138944

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:192

約数の個数: 28

約数和(自身を含む): 298704

約数和(自身を除く): 159760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 167, 208, 334, 416, 668, 832, 1336, 2171, 2672, 4342, 5344, 8684, 10688, 17368, 34736, 69472, 138944]

約数ペア:

[(1, 138944), (2, 69472), (4, 34736), (8, 17368), (13, 10688), (16, 8684), (26, 5344), (32, 4342), (52, 2672), (64, 2171), (104, 1336), (167, 832), (208, 668), (334, 416)]