28972788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{185723}}^1$

素因数の和:185743

約数の個数: 24

約数和(自身を含む): 72803808

約数和(自身を除く): 43831020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 185723, 371446, 557169, 742892, 1114338, 2228676, 2414399, 4828798, 7243197, 9657596, 14486394, 28972788]

約数ペア:

[(1, 28972788), (2, 14486394), (3, 9657596), (4, 7243197), (6, 4828798), (12, 2414399), (13, 2228676), (26, 1114338), (39, 742892), (52, 557169), (78, 371446), (156, 185723)]