28721658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23581}}^1$

素因数の和:23622

約数の個数: 32

約数和(自身を含む): 67916160

約数和(自身を除く): 39194502

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 23581, 47162, 70743, 141486, 165067, 330134, 495201, 683849, 990402, 1367698, 2051547, 4103094, 4786943, 9573886, 14360829, 28721658]

約数ペア:

[(1, 28721658), (2, 14360829), (3, 9573886), (6, 4786943), (7, 4103094), (14, 2051547), (21, 1367698), (29, 990402), (42, 683849), (58, 495201), (87, 330134), (174, 165067), (203, 141486), (406, 70743), (609, 47162), (1218, 23581)]