8977199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 12082176

約数和(自身を除く): 3104977

約数列:

[1, 7, 11, 23, 37, 77, 137, 161, 253, 259, 407, 851, 959, 1507, 1771, 2849, 3151, 5069, 5957, 9361, 10549, 22057, 34661, 35483, 55759, 65527, 116587, 242627, 390313, 816109, 1282457, 8977199]

約数ペア:

[(1, 8977199), (7, 1282457), (11, 816109), (23, 390313), (37, 242627), (77, 116587), (137, 65527), (161, 55759), (253, 35483), (259, 34661), (407, 22057), (851, 10549), (959, 9361), (1507, 5957), (1771, 5069), (2849, 3151)]