251013978

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{81551}}^1$

素因数の和:81584

約数の個数: 40

約数和(自身を含む): 592067520

約数和(自身を除く): 341053542

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 81551, 163102, 244653, 489306, 733959, 1467918, 1549469, 2201877, 3098938, 4403754, 4648407, 6605631, 9296814, 13211262, 13945221, 27890442, 41835663, 83671326, 125506989, 251013978]

約数ペア:

[(1, 251013978), (2, 125506989), (3, 83671326), (6, 41835663), (9, 27890442), (18, 13945221), (19, 13211262), (27, 9296814), (38, 6605631), (54, 4648407), (57, 4403754), (81, 3098938), (114, 2201877), (162, 1549469), (171, 1467918), (342, 733959), (513, 489306), (1026, 244653), (1539, 163102), (3078, 81551)]