398927914

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19477}}^1$

素因数の和:19523

約数の個数: 48

約数和(自身を含む): 799377120

約数和(自身を除く): 400449206

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 1078, 1463, 1862, 2926, 10241, 19477, 20482, 38954, 136339, 214247, 272678, 370063, 428494, 740126, 954373, 1499729, 1908746, 2590441, 2999458, 4070693, 5180882, 8141386, 10498103, 18133087, 20996206, 28494851, 36266174, 56989702, 199463957, 398927914]

約数ペア:

[(1, 398927914), (2, 199463957), (7, 56989702), (11, 36266174), (14, 28494851), (19, 20996206), (22, 18133087), (38, 10498103), (49, 8141386), (77, 5180882), (98, 4070693), (133, 2999458), (154, 2590441), (209, 1908746), (266, 1499729), (418, 954373), (539, 740126), (931, 428494), (1078, 370063), (1463, 272678), (1862, 214247), (2926, 136339), (10241, 38954), (19477, 20482)]