3988390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 8273664

約数和(自身を除く): 4285274

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 251, 454, 502, 1135, 1255, 1589, 1757, 2270, 2510, 3178, 3514, 7945, 8785, 15890, 17570, 56977, 113954, 284885, 398839, 569770, 797678, 1994195, 3988390]

約数ペア:

[(1, 3988390), (2, 1994195), (5, 797678), (7, 569770), (10, 398839), (14, 284885), (35, 113954), (70, 56977), (227, 17570), (251, 15890), (454, 8785), (502, 7945), (1135, 3514), (1255, 3178), (1589, 2510), (1757, 2270)]