25691897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 8315143

約数列:

[1, 7, 11, 23, 77, 89, 161, 163, 253, 623, 979, 1141, 1771, 1793, 2047, 3749, 6853, 12551, 14329, 14507, 22517, 26243, 41239, 101549, 157619, 159577, 288673, 333661, 1117039, 2335627, 3670271, 25691897]

約数ペア:

[(1, 25691897), (7, 3670271), (11, 2335627), (23, 1117039), (77, 333661), (89, 288673), (161, 159577), (163, 157619), (253, 101549), (623, 41239), (979, 26243), (1141, 22517), (1771, 14507), (1793, 14329), (2047, 12551), (3749, 6853)]