28237690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{773}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 55003536

約数和(自身を除く): 26765846

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 773, 1405, 1546, 2810, 3653, 3865, 7306, 7730, 10049, 18265, 20098, 36530, 50245, 100490, 217213, 434426, 1086065, 2172130, 2823769, 5647538, 14118845, 28237690]

約数ペア:

[(1, 28237690), (2, 14118845), (5, 5647538), (10, 2823769), (13, 2172130), (26, 1086065), (65, 434426), (130, 217213), (281, 100490), (562, 50245), (773, 36530), (1405, 20098), (1546, 18265), (2810, 10049), (3653, 7730), (3865, 7306)]