217684208

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67021}}^1$

素因数の和:67065

約数の個数: 40

約数和(自身を含む): 498643680

約数和(自身を除く): 280959472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 67021, 134042, 268084, 469147, 536168, 938294, 1072336, 1876588, 1943609, 3753176, 3887218, 7506352, 7774436, 13605263, 15548872, 27210526, 31097744, 54421052, 108842104, 217684208]

約数ペア:

[(1, 217684208), (2, 108842104), (4, 54421052), (7, 31097744), (8, 27210526), (14, 15548872), (16, 13605263), (28, 7774436), (29, 7506352), (56, 3887218), (58, 3753176), (112, 1943609), (116, 1876588), (203, 1072336), (232, 938294), (406, 536168), (464, 469147), (812, 268084), (1624, 134042), (3248, 67021)]