161996212

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 334555648

約数和(自身を除く): 172559436

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 271, 518, 542, 577, 1036, 1084, 1154, 1897, 2308, 3794, 4039, 7588, 8078, 10027, 16156, 20054, 21349, 40108, 42698, 70189, 85396, 140378, 149443, 156367, 280756, 298886, 312734, 597772, 625468, 1094569, 2189138, 4378276, 5785579, 11571158, 23142316, 40499053, 80998106, 161996212]

約数ペア:

[(1, 161996212), (2, 80998106), (4, 40499053), (7, 23142316), (14, 11571158), (28, 5785579), (37, 4378276), (74, 2189138), (148, 1094569), (259, 625468), (271, 597772), (518, 312734), (542, 298886), (577, 280756), (1036, 156367), (1084, 149443), (1154, 140378), (1897, 85396), (2308, 70189), (3794, 42698), (4039, 40108), (7588, 21349), (8078, 20054), (10027, 16156)]