28320136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{887}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 57435840

約数和(自身を除く): 29115704

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 614, 887, 1228, 1774, 2456, 3548, 3991, 7096, 7982, 11531, 15964, 23062, 31928, 46124, 92248, 272309, 544618, 1089236, 2178472, 3540017, 7080034, 14160068, 28320136]

約数ペア:

[(1, 28320136), (2, 14160068), (4, 7080034), (8, 3540017), (13, 2178472), (26, 1089236), (52, 544618), (104, 272309), (307, 92248), (614, 46124), (887, 31928), (1228, 23062), (1774, 15964), (2456, 11531), (3548, 7982), (3991, 7096)]