278801874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{17783}}^1$

素因数の和:17871

約数の個数: 48

約数和(自身を含む): 660284352

約数和(自身を除く): 381482478

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1742, 2613, 5226, 7839, 15678, 17783, 35566, 53349, 106698, 160047, 231179, 320094, 462358, 693537, 1191461, 1387074, 2080611, 2382922, 3574383, 4161222, 7148766, 10723149, 15488993, 21446298, 30977986, 46466979, 92933958, 139400937, 278801874]

約数ペア:

[(1, 278801874), (2, 139400937), (3, 92933958), (6, 46466979), (9, 30977986), (13, 21446298), (18, 15488993), (26, 10723149), (39, 7148766), (67, 4161222), (78, 3574383), (117, 2382922), (134, 2080611), (201, 1387074), (234, 1191461), (402, 693537), (603, 462358), (871, 320094), (1206, 231179), (1742, 160047), (2613, 106698), (5226, 53349), (7839, 35566), (15678, 17783)]