680978639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1399}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 834624000

約数和(自身を除く): 153645361

約数列:

[1, 11, 17, 19, 137, 187, 209, 323, 1399, 1507, 2329, 2603, 3553, 15389, 23783, 25619, 26581, 28633, 44251, 191663, 261613, 292391, 451877, 486761, 2108293, 3258271, 3641597, 4970647, 35840981, 40057567, 61907149, 680978639]

約数ペア:

[(1, 680978639), (11, 61907149), (17, 40057567), (19, 35840981), (137, 4970647), (187, 3641597), (209, 3258271), (323, 2108293), (1399, 486761), (1507, 451877), (2329, 292391), (2603, 261613), (3553, 191663), (15389, 44251), (23783, 28633), (25619, 26581)]