81965767

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 98058240

約数和(自身を除く): 16092473

約数列:

[1, 13, 23, 31, 37, 239, 299, 403, 481, 713, 851, 1147, 3107, 5497, 7409, 8843, 9269, 11063, 14911, 26381, 71461, 96317, 114959, 170407, 203389, 274133, 342953, 2215291, 2644057, 3563729, 6305059, 81965767]

約数ペア:

[(1, 81965767), (13, 6305059), (23, 3563729), (31, 2644057), (37, 2215291), (239, 342953), (299, 274133), (403, 203389), (481, 170407), (713, 114959), (851, 96317), (1147, 71461), (3107, 26381), (5497, 14911), (7409, 11063), (8843, 9269)]