161834418

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{126631}}^1$

素因数の和:126710

約数の個数: 24

約数和(自身を含む): 355582656

約数和(自身を除く): 193748238

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 126631, 253262, 379893, 759786, 1139679, 2279358, 8990801, 17981602, 26972403, 53944806, 80917209, 161834418]

約数ペア:

[(1, 161834418), (2, 80917209), (3, 53944806), (6, 26972403), (9, 17981602), (18, 8990801), (71, 2279358), (142, 1139679), (213, 759786), (426, 379893), (639, 253262), (1278, 126631)]