39989341

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 50342400

約数和(自身を除く): 10353059

約数列:

[1, 7, 23, 37, 49, 137, 161, 259, 343, 851, 959, 1127, 1813, 3151, 5069, 5957, 6713, 7889, 12691, 22057, 35483, 41699, 46991, 116587, 154399, 248381, 291893, 816109, 1080793, 1738667, 5712763, 39989341]

約数ペア:

[(1, 39989341), (7, 5712763), (23, 1738667), (37, 1080793), (49, 816109), (137, 291893), (161, 248381), (259, 154399), (343, 116587), (851, 46991), (959, 41699), (1127, 35483), (1813, 22057), (3151, 12691), (5069, 7889), (5957, 6713)]