28342206

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 63393408

約数和(自身を除く): 35051202

約数列:

[1, 2, 3, 6, 9, 18, 67, 71, 134, 142, 201, 213, 331, 402, 426, 603, 639, 662, 993, 1206, 1278, 1986, 2979, 4757, 5958, 9514, 14271, 22177, 23501, 28542, 42813, 44354, 47002, 66531, 70503, 85626, 133062, 141006, 199593, 211509, 399186, 423018, 1574567, 3149134, 4723701, 9447402, 14171103, 28342206]

約数ペア:

[(1, 28342206), (2, 14171103), (3, 9447402), (6, 4723701), (9, 3149134), (18, 1574567), (67, 423018), (71, 399186), (134, 211509), (142, 199593), (201, 141006), (213, 133062), (331, 85626), (402, 70503), (426, 66531), (603, 47002), (639, 44354), (662, 42813), (993, 28542), (1206, 23501), (1278, 22177), (1986, 14271), (2979, 9514), (4757, 5958)]