31404890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12413}}^1$

素因数の和:12454

約数の個数: 32

約数和(自身を含む): 64354176

約数和(自身を除く): 32949286

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12413, 24826, 62065, 124130, 136543, 273086, 285499, 570998, 682715, 1365430, 1427495, 2854990, 3140489, 6280978, 15702445, 31404890]

約数ペア:

[(1, 31404890), (2, 15702445), (5, 6280978), (10, 3140489), (11, 2854990), (22, 1427495), (23, 1365430), (46, 682715), (55, 570998), (110, 285499), (115, 273086), (230, 136543), (253, 124130), (506, 62065), (1265, 24826), (2530, 12413)]