2541136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:683

約数の個数: 40

約数和(自身を含む): 5589920

約数和(自身を除く): 3048784

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 643, 988, 1286, 1976, 2572, 3952, 5144, 8359, 10288, 12217, 16718, 24434, 33436, 48868, 66872, 97736, 133744, 158821, 195472, 317642, 635284, 1270568, 2541136]

約数ペア:

[(1, 2541136), (2, 1270568), (4, 635284), (8, 317642), (13, 195472), (16, 158821), (19, 133744), (26, 97736), (38, 66872), (52, 48868), (76, 33436), (104, 24434), (152, 16718), (208, 12217), (247, 10288), (304, 8359), (494, 5144), (643, 3952), (988, 2572), (1286, 1976)]