205253495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1567}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 276369408

約数和(自身を除く): 71115913

約数列:

[1, 5, 17, 23, 67, 85, 115, 335, 391, 1139, 1541, 1567, 1955, 5695, 7705, 7835, 26197, 26639, 36041, 104989, 130985, 133195, 180205, 524945, 612697, 1784813, 2414747, 3063485, 8924065, 12073735, 41050699, 205253495]

約数ペア:

[(1, 205253495), (5, 41050699), (17, 12073735), (23, 8924065), (67, 3063485), (85, 2414747), (115, 1784813), (335, 612697), (391, 524945), (1139, 180205), (1541, 133195), (1567, 130985), (1955, 104989), (5695, 36041), (7705, 26639), (7835, 26197)]