205228465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 274450176

約数和(自身を除く): 69221711

約数列:

[1, 5, 13, 43, 65, 101, 215, 505, 559, 727, 1313, 2795, 3635, 4343, 6565, 9451, 21715, 31261, 47255, 56459, 73427, 156305, 282295, 367135, 406393, 954551, 2031965, 3157361, 4772755, 15786805, 41045693, 205228465]

約数ペア:

[(1, 205228465), (5, 41045693), (13, 15786805), (43, 4772755), (65, 3157361), (101, 2031965), (215, 954551), (505, 406393), (559, 367135), (727, 282295), (1313, 156305), (2795, 73427), (3635, 56459), (4343, 47255), (6565, 31261), (9451, 21715)]