81870196

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{5477}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 148629096

約数和(自身を除く): 66758900

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 3737, 5477, 7474, 10954, 14948, 21908, 202649, 405298, 553177, 810596, 1106354, 2212708, 20467549, 40935098, 81870196]

約数ペア:

[(1, 81870196), (2, 40935098), (4, 20467549), (37, 2212708), (74, 1106354), (101, 810596), (148, 553177), (202, 405298), (404, 202649), (3737, 21908), (5477, 14948), (7474, 10954)]