131170728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{420419}}^1$

素因数の和:420441

約数の個数: 32

約数和(自身を含む): 353152800

約数和(自身を除く): 221982072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 420419, 840838, 1261257, 1681676, 2522514, 3363352, 5045028, 5465447, 10090056, 10930894, 16396341, 21861788, 32792682, 43723576, 65585364, 131170728]

約数ペア:

[(1, 131170728), (2, 65585364), (3, 43723576), (4, 32792682), (6, 21861788), (8, 16396341), (12, 10930894), (13, 10090056), (24, 5465447), (26, 5045028), (39, 3363352), (52, 2522514), (78, 1681676), (104, 1261257), (156, 840838), (312, 420419)]