640500734

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{14489}}^1$

素因数の和:14576

約数の個数: 24

約数和(自身を含む): 1035977040

約数和(自身を除く): 395476306

約数列:

[1, 2, 23, 31, 46, 62, 713, 961, 1426, 1922, 14489, 22103, 28978, 44206, 333247, 449159, 666494, 898318, 10330657, 13923929, 20661314, 27847858, 320250367, 640500734]

約数ペア:

[(1, 640500734), (2, 320250367), (23, 27847858), (31, 20661314), (46, 13923929), (62, 10330657), (713, 898318), (961, 666494), (1426, 449159), (1922, 333247), (14489, 44206), (22103, 28978)]