251017745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 348620544

約数和(自身を除く): 97602799

約数列:

[1, 5, 11, 23, 55, 61, 115, 253, 305, 671, 1265, 1403, 3253, 3355, 7015, 15433, 16265, 35783, 74819, 77165, 178915, 198433, 374095, 823009, 992165, 2182763, 4115045, 4563959, 10913815, 22819795, 50203549, 251017745]

約数ペア:

[(1, 251017745), (5, 50203549), (11, 22819795), (23, 10913815), (55, 4563959), (61, 4115045), (115, 2182763), (253, 992165), (305, 823009), (671, 374095), (1265, 198433), (1403, 178915), (3253, 77165), (3355, 74819), (7015, 35783), (15433, 16265)]