256242714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15139}}^1$

素因数の和:15195

約数の個数: 64

約数和(自身を含む): 651141120

約数和(自身を除く): 394898406

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1302, 2418, 2821, 5642, 8463, 15139, 16926, 30278, 45417, 90834, 105973, 196807, 211946, 317919, 393614, 469309, 590421, 635838, 938618, 1180842, 1377649, 1407927, 2755298, 2815854, 3285163, 4132947, 6101017, 6570326, 8265894, 9855489, 12202034, 18303051, 19710978, 36606102, 42707119, 85414238, 128121357, 256242714]

約数ペア:

[(1, 256242714), (2, 128121357), (3, 85414238), (6, 42707119), (7, 36606102), (13, 19710978), (14, 18303051), (21, 12202034), (26, 9855489), (31, 8265894), (39, 6570326), (42, 6101017), (62, 4132947), (78, 3285163), (91, 2815854), (93, 2755298), (182, 1407927), (186, 1377649), (217, 1180842), (273, 938618), (403, 635838), (434, 590421), (546, 469309), (651, 393614), (806, 317919), (1209, 211946), (1302, 196807), (2418, 105973), (2821, 90834), (5642, 45417), (8463, 30278), (15139, 16926)]