211987568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{1109}}^1$

素因数の和:2049

約数の個数: 40

約数和(自身を含む): 443200800

約数和(自身を除く): 231213232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 919, 1109, 1838, 2218, 3676, 4436, 7352, 8872, 11947, 14417, 14704, 17744, 23894, 28834, 47788, 57668, 95576, 115336, 191152, 230672, 1019171, 2038342, 4076684, 8153368, 13249223, 16306736, 26498446, 52996892, 105993784, 211987568]

約数ペア:

[(1, 211987568), (2, 105993784), (4, 52996892), (8, 26498446), (13, 16306736), (16, 13249223), (26, 8153368), (52, 4076684), (104, 2038342), (208, 1019171), (919, 230672), (1109, 191152), (1838, 115336), (2218, 95576), (3676, 57668), (4436, 47788), (7352, 28834), (8872, 23894), (11947, 17744), (14417, 14704)]