78219838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^2$

素因数の和:360

約数の個数: 24

約数和(自身を含む): 123264504

約数和(自身を除く): 45044666

約数列:

[1, 2, 43, 53, 86, 106, 131, 262, 2279, 4558, 5633, 6943, 11266, 13886, 17161, 34322, 298549, 597098, 737923, 909533, 1475846, 1819066, 39109919, 78219838]

約数ペア:

[(1, 78219838), (2, 39109919), (43, 1819066), (53, 1475846), (86, 909533), (106, 737923), (131, 597098), (262, 298549), (2279, 34322), (4558, 17161), (5633, 13886), (6943, 11266)]