28175706

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^2$

素因数の和:715

約数の個数: 36

約数和(自身を含む): 65933322

約数和(自身を除く): 37757616

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 347, 694, 1041, 2082, 3123, 4511, 6246, 9022, 13533, 27066, 40599, 81198, 120409, 240818, 361227, 722454, 1083681, 1565317, 2167362, 3130634, 4695951, 9391902, 14087853, 28175706]

約数ペア:

[(1, 28175706), (2, 14087853), (3, 9391902), (6, 4695951), (9, 3130634), (13, 2167362), (18, 1565317), (26, 1083681), (39, 722454), (78, 361227), (117, 240818), (234, 120409), (347, 81198), (694, 40599), (1041, 27066), (2082, 13533), (3123, 9022), (4511, 6246)]