28787605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3251}}^1$

素因数の和:3297

約数の個数: 32

約数和(自身を含む): 44955648

約数和(自身を除く): 16168043

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 3251, 8855, 16255, 22757, 35761, 74773, 113785, 178805, 250327, 373865, 523411, 822503, 1251635, 2617055, 4112515, 5757521, 28787605]

約数ペア:

[(1, 28787605), (5, 5757521), (7, 4112515), (11, 2617055), (23, 1251635), (35, 822503), (55, 523411), (77, 373865), (115, 250327), (161, 178805), (253, 113785), (385, 74773), (805, 35761), (1265, 22757), (1771, 16255), (3251, 8855)]