27780836

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 50539776

約数和(自身を除く): 22758940

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1427, 2854, 4867, 5708, 9734, 19468, 44237, 88474, 176948, 224039, 448078, 896156, 6945209, 13890418, 27780836]

約数ペア:

[(1, 27780836), (2, 13890418), (4, 6945209), (31, 896156), (62, 448078), (124, 224039), (157, 176948), (314, 88474), (628, 44237), (1427, 19468), (2854, 9734), (4867, 5708)]