81487690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1949}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 152053200

約数和(自身を除く): 70565510

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 565, 1130, 1949, 3898, 4181, 8362, 9745, 19490, 20905, 41810, 72113, 144226, 220237, 360565, 440474, 721130, 1101185, 2202370, 8148769, 16297538, 40743845, 81487690]

約数ペア:

[(1, 81487690), (2, 40743845), (5, 16297538), (10, 8148769), (37, 2202370), (74, 1101185), (113, 721130), (185, 440474), (226, 360565), (370, 220237), (565, 144226), (1130, 72113), (1949, 41810), (3898, 20905), (4181, 19490), (8362, 9745)]