15720172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17783}}^1$

素因数の和:17817

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 15650804

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 17783, 35566, 71132, 231179, 302311, 462358, 604622, 924716, 1209244, 3930043, 7860086, 15720172]

約数ペア:

[(1, 15720172), (2, 7860086), (4, 3930043), (13, 1209244), (17, 924716), (26, 604622), (34, 462358), (52, 302311), (68, 231179), (221, 71132), (442, 35566), (884, 17783)]