31025215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 11109185

約数列:

[1, 5, 13, 29, 65, 109, 145, 151, 377, 545, 755, 1417, 1885, 1963, 3161, 4379, 7085, 9815, 15805, 16459, 21895, 41093, 56927, 82295, 205465, 213967, 284635, 477311, 1069835, 2386555, 6205043, 31025215]

約数ペア:

[(1, 31025215), (5, 6205043), (13, 2386555), (29, 1069835), (65, 477311), (109, 284635), (145, 213967), (151, 205465), (377, 82295), (545, 56927), (755, 41093), (1417, 21895), (1885, 16459), (1963, 15805), (3161, 9815), (4379, 7085)]