28173704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4441}}^1$

素因数の和:4521

約数の個数: 32

約数和(自身を含む): 57834840

約数和(自身を除く): 29661136

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 4441, 6344, 8882, 17764, 35528, 57733, 115466, 230932, 270901, 461864, 541802, 1083604, 2167208, 3521713, 7043426, 14086852, 28173704]

約数ペア:

[(1, 28173704), (2, 14086852), (4, 7043426), (8, 3521713), (13, 2167208), (26, 1083604), (52, 541802), (61, 461864), (104, 270901), (122, 230932), (244, 115466), (488, 57733), (793, 35528), (1586, 17764), (3172, 8882), (4441, 6344)]