87861016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1373}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 173948400

約数和(自身を除く): 86087384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 421, 842, 1373, 1684, 2746, 3368, 5492, 7999, 10984, 15998, 26087, 31996, 52174, 63992, 104348, 208696, 578033, 1156066, 2312132, 4624264, 10982627, 21965254, 43930508, 87861016]

約数ペア:

[(1, 87861016), (2, 43930508), (4, 21965254), (8, 10982627), (19, 4624264), (38, 2312132), (76, 1156066), (152, 578033), (421, 208696), (842, 104348), (1373, 63992), (1684, 52174), (2746, 31996), (3368, 26087), (5492, 15998), (7999, 10984)]