859313

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 24

約数和(自身を含む): 1149120

約数和(自身を除く): 289807

約数列:

[1, 7, 13, 19, 49, 71, 91, 133, 247, 497, 637, 923, 931, 1349, 1729, 3479, 6461, 9443, 12103, 17537, 45227, 66101, 122759, 859313]

約数ペア:

[(1, 859313), (7, 122759), (13, 66101), (19, 45227), (49, 17537), (71, 12103), (91, 9443), (133, 6461), (247, 3479), (497, 1729), (637, 1349), (923, 931)]