218638

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 24

約数和(自身を含む): 402192

約数和(自身を除く): 183554

約数列:

[1, 2, 7, 14, 23, 46, 49, 97, 98, 161, 194, 322, 679, 1127, 1358, 2231, 2254, 4462, 4753, 9506, 15617, 31234, 109319, 218638]

約数ペア:

[(1, 218638), (2, 109319), (7, 31234), (14, 15617), (23, 9506), (46, 4753), (49, 4462), (97, 2254), (98, 2231), (161, 1358), (194, 1127), (322, 679)]