28273637

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 34535160

約数和(自身を除く): 6261523

約数列:

[1, 7, 29, 49, 101, 197, 203, 707, 1379, 1421, 2929, 4949, 5713, 9653, 19897, 20503, 39991, 139279, 143521, 279937, 577013, 974953, 4039091, 28273637]

約数ペア:

[(1, 28273637), (7, 4039091), (29, 974953), (49, 577013), (101, 279937), (197, 143521), (203, 139279), (707, 39991), (1379, 20503), (1421, 19897), (2929, 9653), (4949, 5713)]