257166

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 690144

約数和(自身を除く): 432978

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 157, 182, 234, 273, 314, 471, 546, 819, 942, 1099, 1413, 1638, 2041, 2198, 2826, 3297, 4082, 6123, 6594, 9891, 12246, 14287, 18369, 19782, 28574, 36738, 42861, 85722, 128583, 257166]

約数ペア:

[(1, 257166), (2, 128583), (3, 85722), (6, 42861), (7, 36738), (9, 28574), (13, 19782), (14, 18369), (18, 14287), (21, 12246), (26, 9891), (39, 6594), (42, 6123), (63, 4082), (78, 3297), (91, 2826), (117, 2198), (126, 2041), (157, 1638), (182, 1413), (234, 1099), (273, 942), (314, 819), (471, 546)]