15980653

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 19756800

約数和(自身を除く): 3776147

約数列:

[1, 13, 19, 23, 29, 97, 247, 299, 377, 437, 551, 667, 1261, 1843, 2231, 2813, 5681, 7163, 8671, 12673, 23959, 29003, 36569, 42389, 53447, 64699, 164749, 551057, 694811, 841087, 1229281, 15980653]

約数ペア:

[(1, 15980653), (13, 1229281), (19, 841087), (23, 694811), (29, 551057), (97, 164749), (247, 64699), (299, 53447), (377, 42389), (437, 36569), (551, 29003), (667, 23959), (1261, 12673), (1843, 8671), (2231, 7163), (2813, 5681)]