31272490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 58475520

約数和(自身を除く): 27203030

約数列:

[1, 2, 5, 10, 31, 62, 155, 281, 310, 359, 562, 718, 1405, 1795, 2810, 3590, 8711, 11129, 17422, 22258, 43555, 55645, 87110, 100879, 111290, 201758, 504395, 1008790, 3127249, 6254498, 15636245, 31272490]

約数ペア:

[(1, 31272490), (2, 15636245), (5, 6254498), (10, 3127249), (31, 1008790), (62, 504395), (155, 201758), (281, 111290), (310, 100879), (359, 87110), (562, 55645), (718, 43555), (1405, 22258), (1795, 17422), (2810, 11129), (3590, 8711)]