78054844

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:239

約数の個数: 54

約数和(自身を含む): 163206960

約数和(自身を除く): 85152116

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 79, 98, 142, 158, 196, 284, 316, 497, 553, 994, 1106, 1988, 2212, 3479, 3871, 5041, 5609, 6958, 7742, 10082, 11218, 13916, 15484, 20164, 22436, 35287, 39263, 70574, 78526, 141148, 157052, 247009, 274841, 398239, 494018, 549682, 796478, 988036, 1099364, 1592956, 2787673, 5575346, 11150692, 19513711, 39027422, 78054844]

約数ペア:

[(1, 78054844), (2, 39027422), (4, 19513711), (7, 11150692), (14, 5575346), (28, 2787673), (49, 1592956), (71, 1099364), (79, 988036), (98, 796478), (142, 549682), (158, 494018), (196, 398239), (284, 274841), (316, 247009), (497, 157052), (553, 141148), (994, 78526), (1106, 70574), (1988, 39263), (2212, 35287), (3479, 22436), (3871, 20164), (5041, 15484), (5609, 13916), (6958, 11218), (7742, 10082)]