25779884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 51861600

約数和(自身を除く): 26081716

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 194, 247, 269, 388, 494, 538, 988, 1076, 1261, 1843, 2522, 3497, 3686, 5044, 5111, 6994, 7372, 10222, 13988, 20444, 23959, 26093, 47918, 52186, 66443, 95836, 104372, 132886, 265772, 339209, 495767, 678418, 991534, 1356836, 1983068, 6444971, 12889942, 25779884]

約数ペア:

[(1, 25779884), (2, 12889942), (4, 6444971), (13, 1983068), (19, 1356836), (26, 991534), (38, 678418), (52, 495767), (76, 339209), (97, 265772), (194, 132886), (247, 104372), (269, 95836), (388, 66443), (494, 52186), (538, 47918), (988, 26093), (1076, 23959), (1261, 20444), (1843, 13988), (2522, 10222), (3497, 7372), (3686, 6994), (5044, 5111)]