278157402

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:385

約数の個数: 80

約数和(自身を含む): 639600192

約数和(自身を除く): 361442790

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 137, 151, 162, 166, 249, 274, 302, 411, 453, 498, 747, 822, 906, 1233, 1359, 1494, 2241, 2466, 2718, 3699, 4077, 4482, 6723, 7398, 8154, 11097, 11371, 12231, 12533, 13446, 20687, 22194, 22742, 24462, 25066, 34113, 37599, 41374, 62061, 68226, 75198, 102339, 112797, 124122, 186183, 204678, 225594, 307017, 338391, 372366, 558549, 614034, 676782, 921051, 1015173, 1117098, 1675647, 1717021, 1842102, 2030346, 3351294, 3434042, 5151063, 10302126, 15453189, 30906378, 46359567, 92719134, 139078701, 278157402]

約数ペア:

[(1, 278157402), (2, 139078701), (3, 92719134), (6, 46359567), (9, 30906378), (18, 15453189), (27, 10302126), (54, 5151063), (81, 3434042), (83, 3351294), (137, 2030346), (151, 1842102), (162, 1717021), (166, 1675647), (249, 1117098), (274, 1015173), (302, 921051), (411, 676782), (453, 614034), (498, 558549), (747, 372366), (822, 338391), (906, 307017), (1233, 225594), (1359, 204678), (1494, 186183), (2241, 124122), (2466, 112797), (2718, 102339), (3699, 75198), (4077, 68226), (4482, 62061), (6723, 41374), (7398, 37599), (8154, 34113), (11097, 25066), (11371, 24462), (12231, 22742), (12533, 22194), (13446, 20687)]