161356446

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{126257}}^1$

素因数の和:126336

約数の個数: 24

約数和(自身を含む): 354532464

約数和(自身を除く): 193176018

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 126257, 252514, 378771, 757542, 1136313, 2272626, 8964247, 17928494, 26892741, 53785482, 80678223, 161356446]

約数ペア:

[(1, 161356446), (2, 80678223), (3, 53785482), (6, 26892741), (9, 17928494), (18, 8964247), (71, 2272626), (142, 1136313), (213, 757542), (426, 378771), (639, 252514), (1278, 126257)]