840230872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{21317}}^1$

素因数の和:21715

約数の個数: 32

約数和(自身を含む): 1701176400

約数和(自身を除く): 860945528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 379, 758, 1516, 3032, 4927, 9854, 19708, 21317, 39416, 42634, 85268, 170536, 277121, 554242, 1108484, 2216968, 8079143, 16158286, 32316572, 64633144, 105028859, 210057718, 420115436, 840230872]

約数ペア:

[(1, 840230872), (2, 420115436), (4, 210057718), (8, 105028859), (13, 64633144), (26, 32316572), (52, 16158286), (104, 8079143), (379, 2216968), (758, 1108484), (1516, 554242), (3032, 277121), (4927, 170536), (9854, 85268), (19708, 42634), (21317, 39416)]