25195989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 19801131

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 61, 89, 91, 119, 183, 221, 267, 273, 357, 427, 623, 663, 793, 1037, 1157, 1281, 1513, 1547, 1869, 2379, 3111, 3471, 4539, 4641, 5429, 5551, 7259, 8099, 10591, 13481, 16287, 16653, 19669, 21777, 24297, 31773, 38003, 40443, 59007, 70577, 92293, 94367, 114009, 137683, 211731, 276879, 283101, 413049, 494039, 646051, 1199809, 1482117, 1938153, 3599427, 8398663, 25195989]

約数ペア:

[(1, 25195989), (3, 8398663), (7, 3599427), (13, 1938153), (17, 1482117), (21, 1199809), (39, 646051), (51, 494039), (61, 413049), (89, 283101), (91, 276879), (119, 211731), (183, 137683), (221, 114009), (267, 94367), (273, 92293), (357, 70577), (427, 59007), (623, 40443), (663, 38003), (793, 31773), (1037, 24297), (1157, 21777), (1281, 19669), (1513, 16653), (1547, 16287), (1869, 13481), (2379, 10591), (3111, 8099), (3471, 7259), (4539, 5551), (4641, 5429)]