201331895

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 255052800

約数和(自身を除く): 53720905

約数列:

[1, 5, 53, 59, 79, 163, 265, 295, 395, 815, 3127, 4187, 4661, 8639, 9617, 12877, 15635, 20935, 23305, 43195, 48085, 64385, 247033, 509701, 682481, 759743, 1235165, 2548505, 3412405, 3798715, 40266379, 201331895]

約数ペア:

[(1, 201331895), (5, 40266379), (53, 3798715), (59, 3412405), (79, 2548505), (163, 1235165), (265, 759743), (295, 682481), (395, 509701), (815, 247033), (3127, 64385), (4187, 48085), (4661, 43195), (8639, 23305), (9617, 20935), (12877, 15635)]