257010796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{11783}}^1$

素因数の和:11854

約数の個数: 48

約数和(自身を含む): 554319360

約数和(自身を除く): 297308564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 5453, 10906, 11783, 21812, 23566, 47132, 82481, 164962, 223877, 329924, 447754, 483103, 895508, 966206, 1567139, 1932412, 3134278, 3381721, 6268556, 6763442, 9178957, 13526884, 18357914, 36715828, 64252699, 128505398, 257010796]

約数ペア:

[(1, 257010796), (2, 128505398), (4, 64252699), (7, 36715828), (14, 18357914), (19, 13526884), (28, 9178957), (38, 6763442), (41, 6268556), (76, 3381721), (82, 3134278), (133, 1932412), (164, 1567139), (266, 966206), (287, 895508), (532, 483103), (574, 447754), (779, 329924), (1148, 223877), (1558, 164962), (3116, 82481), (5453, 47132), (10906, 23566), (11783, 21812)]