28119455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2687}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 43352064

約数和(自身を除く): 15232609

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 2687, 10465, 13435, 18809, 34931, 61801, 94045, 174655, 244517, 309005, 432607, 803413, 1222585, 2163035, 4017065, 5623891, 28119455]

約数ペア:

[(1, 28119455), (5, 5623891), (7, 4017065), (13, 2163035), (23, 1222585), (35, 803413), (65, 432607), (91, 309005), (115, 244517), (161, 174655), (299, 94045), (455, 61801), (805, 34931), (1495, 18809), (2093, 13435), (2687, 10465)]