1956413641

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1483}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 2605310400

約数和(自身を除く): 648896759

約数列:

[1, 7, 13, 19, 49, 91, 109, 133, 247, 637, 763, 931, 1417, 1483, 1729, 2071, 5341, 9919, 10381, 12103, 14497, 19279, 26923, 28177, 69433, 72667, 101479, 134953, 161647, 188461, 197239, 366301, 944671, 1131529, 1319227, 1380673, 2101411, 2564107, 3071293, 7920703, 14709877, 17948749, 21499051, 39926809, 102969139, 150493357, 279487663, 1956413641]

約数ペア:

[(1, 1956413641), (7, 279487663), (13, 150493357), (19, 102969139), (49, 39926809), (91, 21499051), (109, 17948749), (133, 14709877), (247, 7920703), (637, 3071293), (763, 2564107), (931, 2101411), (1417, 1380673), (1483, 1319227), (1729, 1131529), (2071, 944671), (5341, 366301), (9919, 197239), (10381, 188461), (12103, 161647), (14497, 134953), (19279, 101479), (26923, 72667), (28177, 69433)]