81771428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{38791}}^1$

素因数の和:38843

約数の個数: 24

約数和(自身を含む): 156409344

約数和(自身を除く): 74637916

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 38791, 77582, 155164, 659447, 1202521, 1318894, 2405042, 2637788, 4810084, 20442857, 40885714, 81771428]

約数ペア:

[(1, 81771428), (2, 40885714), (4, 20442857), (17, 4810084), (31, 2637788), (34, 2405042), (62, 1318894), (68, 1202521), (124, 659447), (527, 155164), (1054, 77582), (2108, 38791)]