28131896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 57106560

約数和(自身を除く): 28974664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 892, 1213, 1784, 2426, 2899, 4852, 5798, 9704, 11596, 15769, 23192, 31538, 63076, 126152, 270499, 540998, 1081996, 2163992, 3516487, 7032974, 14065948, 28131896]

約数ペア:

[(1, 28131896), (2, 14065948), (4, 7032974), (8, 3516487), (13, 2163992), (26, 1081996), (52, 540998), (104, 270499), (223, 126152), (446, 63076), (892, 31538), (1213, 23192), (1784, 15769), (2426, 11596), (2899, 9704), (4852, 5798)]