28453828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8167}}^1$

素因数の和:8251

約数の個数: 24

約数和(自身を含む): 54431552

約数和(自身を除く): 25977724

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 8167, 16334, 32668, 106171, 212342, 424684, 547189, 1094378, 2188756, 7113457, 14226914, 28453828]

約数ペア:

[(1, 28453828), (2, 14226914), (4, 7113457), (13, 2188756), (26, 1094378), (52, 547189), (67, 424684), (134, 212342), (268, 106171), (871, 32668), (1742, 16334), (3484, 8167)]