7904065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 11321856

約数和(自身を除く): 3417791

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 311, 391, 1105, 1495, 1555, 1955, 4043, 5083, 5287, 7153, 20215, 25415, 26435, 35765, 68731, 92989, 121601, 343655, 464945, 608005, 1580813, 7904065]

約数ペア:

[(1, 7904065), (5, 1580813), (13, 608005), (17, 464945), (23, 343655), (65, 121601), (85, 92989), (115, 68731), (221, 35765), (299, 26435), (311, 25415), (391, 20215), (1105, 7153), (1495, 5287), (1555, 5083), (1955, 4043)]