205151716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{39181}}^1$

素因数の和:39220

約数の個数: 48

約数和(自身を含む): 473945472

約数和(自身を除く): 268793756

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 39181, 78362, 156724, 274267, 430991, 548534, 666077, 861982, 1097068, 1332154, 1723964, 2664308, 3016937, 4662539, 6033874, 7326847, 9325078, 12067748, 14653694, 18650156, 29307388, 51287929, 102575858, 205151716]

約数ペア:

[(1, 205151716), (2, 102575858), (4, 51287929), (7, 29307388), (11, 18650156), (14, 14653694), (17, 12067748), (22, 9325078), (28, 7326847), (34, 6033874), (44, 4662539), (68, 3016937), (77, 2664308), (119, 1723964), (154, 1332154), (187, 1097068), (238, 861982), (308, 666077), (374, 548534), (476, 430991), (748, 274267), (1309, 156724), (2618, 78362), (5236, 39181)]