163900984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{19949}}^1$

素因数の和:20047

約数の個数: 32

約数和(自身を含む): 335160000

約数和(自身を除く): 171259016

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 19949, 39898, 79796, 159592, 259337, 518674, 1037348, 1575971, 2074696, 3151942, 6303884, 12607768, 20487623, 40975246, 81950492, 163900984]

約数ペア:

[(1, 163900984), (2, 81950492), (4, 40975246), (8, 20487623), (13, 12607768), (26, 6303884), (52, 3151942), (79, 2074696), (104, 1575971), (158, 1037348), (316, 518674), (632, 259337), (1027, 159592), (2054, 79796), (4108, 39898), (8216, 19949)]