664215551

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 753919488

約数和(自身を除く): 89703937

約数列:

[1, 17, 23, 83, 97, 211, 391, 1411, 1649, 1909, 2231, 3587, 4853, 8051, 17513, 20467, 32453, 37927, 82501, 136867, 185173, 297721, 347939, 402799, 470741, 1698761, 3147941, 6847583, 8002597, 28878937, 39071503, 664215551]

約数ペア:

[(1, 664215551), (17, 39071503), (23, 28878937), (83, 8002597), (97, 6847583), (211, 3147941), (391, 1698761), (1411, 470741), (1649, 402799), (1909, 347939), (2231, 297721), (3587, 185173), (4853, 136867), (8051, 82501), (17513, 37927), (20467, 32453)]