127991675

素因数分解:

$5^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:828

約数の個数: 36

約数和(自身を含む): 186043896

約数和(自身を除く): 58052221

約数列:

[1, 5, 7, 25, 35, 49, 163, 175, 245, 641, 815, 1141, 1225, 3205, 4075, 4487, 5705, 7987, 16025, 22435, 28525, 31409, 39935, 104483, 112175, 157045, 199675, 522415, 731381, 785225, 2612075, 3656905, 5119667, 18284525, 25598335, 127991675]

約数ペア:

[(1, 127991675), (5, 25598335), (7, 18284525), (25, 5119667), (35, 3656905), (49, 2612075), (163, 785225), (175, 731381), (245, 522415), (641, 199675), (815, 157045), (1141, 112175), (1225, 104483), (3205, 39935), (4075, 31409), (4487, 28525), (5705, 22435), (7987, 16025)]