30995783

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 41306760

約数和(自身を除く): 10310977

約数列:

[1, 7, 13, 19, 49, 91, 133, 169, 197, 247, 637, 931, 1183, 1379, 1729, 2561, 3211, 3743, 8281, 9653, 12103, 17927, 22477, 26201, 33293, 48659, 125489, 157339, 183407, 233051, 340613, 632567, 1631357, 2384291, 4427969, 30995783]

約数ペア:

[(1, 30995783), (7, 4427969), (13, 2384291), (19, 1631357), (49, 632567), (91, 340613), (133, 233051), (169, 183407), (197, 157339), (247, 125489), (637, 48659), (931, 33293), (1183, 26201), (1379, 22477), (1729, 17927), (2561, 12103), (3211, 9653), (3743, 8281)]