13440688

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 27342000

約数和(自身を除く): 13901312

約数列:

[1, 2, 4, 8, 16, 29, 58, 83, 116, 166, 232, 332, 349, 464, 664, 698, 1328, 1396, 2407, 2792, 4814, 5584, 9628, 10121, 19256, 20242, 28967, 38512, 40484, 57934, 80968, 115868, 161936, 231736, 463472, 840043, 1680086, 3360172, 6720344, 13440688]

約数ペア:

[(1, 13440688), (2, 6720344), (4, 3360172), (8, 1680086), (16, 840043), (29, 463472), (58, 231736), (83, 161936), (116, 115868), (166, 80968), (232, 57934), (332, 40484), (349, 38512), (464, 28967), (664, 20242), (698, 19256), (1328, 10121), (1396, 9628), (2407, 5584), (2792, 4814)]