201643918

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 362588400

約数和(自身を除く): 160944482

約数列:

[1, 2, 7, 14, 49, 61, 89, 98, 122, 178, 379, 427, 623, 758, 854, 1246, 2653, 2989, 4361, 5306, 5429, 5978, 8722, 10858, 18571, 23119, 33731, 37142, 38003, 46238, 67462, 76006, 161833, 236117, 266021, 323666, 472234, 532042, 1132831, 1652819, 2057591, 2265662, 3305638, 4115182, 14403137, 28806274, 100821959, 201643918]

約数ペア:

[(1, 201643918), (2, 100821959), (7, 28806274), (14, 14403137), (49, 4115182), (61, 3305638), (89, 2265662), (98, 2057591), (122, 1652819), (178, 1132831), (379, 532042), (427, 472234), (623, 323666), (758, 266021), (854, 236117), (1246, 161833), (2653, 76006), (2989, 67462), (4361, 46238), (5306, 38003), (5429, 37142), (5978, 33731), (8722, 23119), (10858, 18571)]