81905642

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12163}}^1$

素因数の和:12222

約数の個数: 32

約数和(自身を含む): 155309952

約数和(自身を除く): 73404310

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 3367, 6734, 12163, 24326, 85141, 158119, 170282, 316238, 450031, 900062, 1106833, 2213666, 3150217, 5850403, 6300434, 11700806, 40952821, 81905642]

約数ペア:

[(1, 81905642), (2, 40952821), (7, 11700806), (13, 6300434), (14, 5850403), (26, 3150217), (37, 2213666), (74, 1106833), (91, 900062), (182, 450031), (259, 316238), (481, 170282), (518, 158119), (962, 85141), (3367, 24326), (6734, 12163)]