201072815

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 253074240

約数和(自身を除く): 52001425

約数列:

[1, 5, 41, 47, 205, 235, 509, 1681, 1927, 2545, 8405, 9635, 20869, 23923, 79007, 104345, 119615, 395035, 855629, 980843, 4278145, 4904215, 40214563, 201072815]

約数ペア:

[(1, 201072815), (5, 40214563), (41, 4904215), (47, 4278145), (205, 980843), (235, 855629), (509, 395035), (1681, 119615), (1927, 104345), (2545, 79007), (8405, 23923), (9635, 20869)]