17680208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12143}}^1$

素因数の和:12171

約数の個数: 40

約数和(自身を含む): 42163968

約数和(自身を除く): 24483760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12143, 24286, 48572, 85001, 97144, 157859, 170002, 194288, 315718, 340004, 631436, 680008, 1105013, 1262872, 1360016, 2210026, 2525744, 4420052, 8840104, 17680208]

約数ペア:

[(1, 17680208), (2, 8840104), (4, 4420052), (7, 2525744), (8, 2210026), (13, 1360016), (14, 1262872), (16, 1105013), (26, 680008), (28, 631436), (52, 340004), (56, 315718), (91, 194288), (104, 170002), (112, 157859), (182, 97144), (208, 85001), (364, 48572), (728, 24286), (1456, 12143)]