207810328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 435352320

約数和(自身を除く): 227541992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 103, 202, 206, 227, 404, 412, 454, 808, 824, 908, 1111, 1133, 1816, 2222, 2266, 2497, 4444, 4532, 4994, 8888, 9064, 9988, 10403, 19976, 20806, 22927, 23381, 41612, 45854, 46762, 83224, 91708, 93524, 114433, 183416, 187048, 228866, 252197, 257191, 457732, 504394, 514382, 915464, 1008788, 1028764, 2017576, 2057528, 2361481, 4722962, 9445924, 18891848, 25976291, 51952582, 103905164, 207810328]

約数ペア:

[(1, 207810328), (2, 103905164), (4, 51952582), (8, 25976291), (11, 18891848), (22, 9445924), (44, 4722962), (88, 2361481), (101, 2057528), (103, 2017576), (202, 1028764), (206, 1008788), (227, 915464), (404, 514382), (412, 504394), (454, 457732), (808, 257191), (824, 252197), (908, 228866), (1111, 187048), (1133, 183416), (1816, 114433), (2222, 93524), (2266, 91708), (2497, 83224), (4444, 46762), (4532, 45854), (4994, 41612), (8888, 23381), (9064, 22927), (9988, 20806), (10403, 19976)]