194655741

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 326215680

約数和(自身を除く): 131559939

約数列:

[1, 3, 7, 19, 21, 41, 57, 73, 123, 133, 163, 219, 287, 399, 489, 511, 779, 861, 1141, 1387, 1533, 2337, 2993, 3097, 3423, 4161, 5453, 6683, 8979, 9291, 9709, 11899, 16359, 20049, 20951, 21679, 29127, 35697, 46781, 56867, 62853, 65037, 83293, 126977, 140343, 170601, 226081, 249879, 380931, 398069, 487859, 678243, 888839, 1194207, 1463577, 1582567, 2666517, 3415013, 4747701, 9269321, 10245039, 27807963, 64885247, 194655741]

約数ペア:

[(1, 194655741), (3, 64885247), (7, 27807963), (19, 10245039), (21, 9269321), (41, 4747701), (57, 3415013), (73, 2666517), (123, 1582567), (133, 1463577), (163, 1194207), (219, 888839), (287, 678243), (399, 487859), (489, 398069), (511, 380931), (779, 249879), (861, 226081), (1141, 170601), (1387, 140343), (1533, 126977), (2337, 83293), (2993, 65037), (3097, 62853), (3423, 56867), (4161, 46781), (5453, 35697), (6683, 29127), (8979, 21679), (9291, 20951), (9709, 20049), (11899, 16359)]