28369908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1093}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 82828928

約数和(自身を除く): 54459020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1093, 1236, 1442, 1854, 2163, 2186, 2884, 3279, 3708, 4326, 4372, 6489, 6558, 7651, 8652, 9837, 12978, 13116, 15302, 19674, 22953, 25956, 30604, 39348, 45906, 68859, 91812, 112579, 137718, 225158, 275436, 337737, 450316, 675474, 788053, 1013211, 1350948, 1576106, 2026422, 2364159, 3152212, 4052844, 4728318, 7092477, 9456636, 14184954, 28369908]

約数ペア:

[(1, 28369908), (2, 14184954), (3, 9456636), (4, 7092477), (6, 4728318), (7, 4052844), (9, 3152212), (12, 2364159), (14, 2026422), (18, 1576106), (21, 1350948), (28, 1013211), (36, 788053), (42, 675474), (63, 450316), (84, 337737), (103, 275436), (126, 225158), (206, 137718), (252, 112579), (309, 91812), (412, 68859), (618, 45906), (721, 39348), (927, 30604), (1093, 25956), (1236, 22953), (1442, 19674), (1854, 15302), (2163, 13116), (2186, 12978), (2884, 9837), (3279, 8652), (3708, 7651), (4326, 6558), (4372, 6489)]