219316405

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4787}}^1$

素因数の和:4834

約数の個数: 48

約数和(自身を含む): 353699136

約数和(自身を除く): 134382731

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 187, 245, 385, 539, 595, 833, 935, 1309, 2695, 4165, 4787, 6545, 9163, 23935, 33509, 45815, 52657, 81379, 167545, 234563, 263285, 368599, 406895, 569653, 895169, 1172815, 1842995, 2580193, 2848265, 3987571, 4475845, 6266183, 12900965, 19937855, 31330915, 43863281, 219316405]

約数ペア:

[(1, 219316405), (5, 43863281), (7, 31330915), (11, 19937855), (17, 12900965), (35, 6266183), (49, 4475845), (55, 3987571), (77, 2848265), (85, 2580193), (119, 1842995), (187, 1172815), (245, 895169), (385, 569653), (539, 406895), (595, 368599), (833, 263285), (935, 234563), (1309, 167545), (2695, 81379), (4165, 52657), (4787, 45815), (6545, 33509), (9163, 23935)]