149251081

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 187361280

約数和(自身を除く): 38110199

約数列:

[1, 7, 29, 31, 37, 203, 217, 259, 641, 899, 1073, 1147, 4487, 6293, 7511, 8029, 18589, 19871, 23717, 33263, 130123, 139097, 166019, 232841, 576259, 687793, 735227, 4033813, 4814551, 5146589, 21321583, 149251081]

約数ペア:

[(1, 149251081), (7, 21321583), (29, 5146589), (31, 4814551), (37, 4033813), (203, 735227), (217, 687793), (259, 576259), (641, 232841), (899, 166019), (1073, 139097), (1147, 130123), (4487, 33263), (6293, 23717), (7511, 19871), (8029, 18589)]