81419494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8009}}^1$

素因数の和:8064

約数の個数: 32

約数和(自身を含む): 145333440

約数和(自身を除く): 63913946

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 5083, 8009, 10166, 16018, 104117, 136153, 184207, 208234, 272306, 368414, 1769989, 2394691, 3131519, 3539978, 4789382, 6263038, 40709747, 81419494]

約数ペア:

[(1, 81419494), (2, 40709747), (13, 6263038), (17, 4789382), (23, 3539978), (26, 3131519), (34, 2394691), (46, 1769989), (221, 368414), (299, 272306), (391, 208234), (442, 184207), (598, 136153), (782, 104117), (5083, 16018), (8009, 10166)]