9891910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 20466432

約数和(自身を除く): 10574522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 563, 1126, 1255, 1757, 2510, 2815, 3514, 3941, 5630, 7882, 8785, 17570, 19705, 39410, 141313, 282626, 706565, 989191, 1413130, 1978382, 4945955, 9891910]

約数ペア:

[(1, 9891910), (2, 4945955), (5, 1978382), (7, 1413130), (10, 989191), (14, 706565), (35, 282626), (70, 141313), (251, 39410), (502, 19705), (563, 17570), (1126, 8785), (1255, 7882), (1757, 5630), (2510, 3941), (2815, 3514)]