81339722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2462

約数の個数: 32

約数和(自身を含む): 137203200

約数和(自身を除く): 55863478

約数列:

[1, 2, 19, 29, 31, 38, 58, 62, 551, 589, 899, 1102, 1178, 1798, 2381, 4762, 17081, 34162, 45239, 69049, 73811, 90478, 138098, 147622, 1311931, 1402409, 2140519, 2623862, 2804818, 4281038, 40669861, 81339722]

約数ペア:

[(1, 81339722), (2, 40669861), (19, 4281038), (29, 2804818), (31, 2623862), (38, 2140519), (58, 1402409), (62, 1311931), (551, 147622), (589, 138098), (899, 90478), (1102, 73811), (1178, 69049), (1798, 45239), (2381, 34162), (4762, 17081)]