215698

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 24

約数和(自身を含む): 393984

約数和(自身を除く): 178286

約数列:

[1, 2, 7, 14, 31, 49, 62, 71, 98, 142, 217, 434, 497, 994, 1519, 2201, 3038, 3479, 4402, 6958, 15407, 30814, 107849, 215698]

約数ペア:

[(1, 215698), (2, 107849), (7, 30814), (14, 15407), (31, 6958), (49, 4402), (62, 3479), (71, 3038), (98, 2201), (142, 1519), (217, 994), (434, 497)]