28907345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 9108655

約数列:

[1, 5, 29, 31, 59, 109, 145, 155, 295, 545, 899, 1711, 1829, 3161, 3379, 4495, 6431, 8555, 9145, 15805, 16895, 32155, 53041, 97991, 186499, 199361, 265205, 489955, 932495, 996805, 5781469, 28907345]

約数ペア:

[(1, 28907345), (5, 5781469), (29, 996805), (31, 932495), (59, 489955), (109, 265205), (145, 199361), (155, 186499), (295, 97991), (545, 53041), (899, 32155), (1711, 16895), (1829, 15805), (3161, 9145), (3379, 8555), (4495, 6431)]