26557481937

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1\times {\mathrm{631}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 41915777024

約数和(自身を除く): 15358295087

約数列:

[1, 3, 7, 21, 43, 127, 129, 301, 367, 381, 631, 889, 903, 1101, 1893, 2569, 2667, 4417, 5461, 7707, 13251, 15781, 16383, 27133, 38227, 46609, 47343, 80137, 81399, 110467, 114681, 139827, 189931, 231577, 240411, 326263, 331401, 560959, 569793, 694731, 978789, 1621039, 1682877, 2004187, 3445891, 4863117, 6012561, 9957811, 10337673, 14029309, 24121237, 29410279, 29873433, 42087927, 69704677, 72363711, 88230837, 205871953, 209114031, 617615859, 1264641997, 3793925991, 8852493979, 26557481937]

約数ペア:

[(1, 26557481937), (3, 8852493979), (7, 3793925991), (21, 1264641997), (43, 617615859), (127, 209114031), (129, 205871953), (301, 88230837), (367, 72363711), (381, 69704677), (631, 42087927), (889, 29873433), (903, 29410279), (1101, 24121237), (1893, 14029309), (2569, 10337673), (2667, 9957811), (4417, 6012561), (5461, 4863117), (7707, 3445891), (13251, 2004187), (15781, 1682877), (16383, 1621039), (27133, 978789), (38227, 694731), (46609, 569793), (47343, 560959), (80137, 331401), (81399, 326263), (110467, 240411), (114681, 231577), (139827, 189931)]