161528356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 350542080

約数和(自身を除く): 189013724

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 41, 44, 46, 68, 82, 92, 164, 187, 229, 253, 374, 391, 451, 458, 506, 697, 748, 782, 902, 916, 943, 1012, 1394, 1564, 1804, 1886, 2519, 2788, 3772, 3893, 4301, 5038, 5267, 7667, 7786, 8602, 9389, 10076, 10373, 10534, 15334, 15572, 16031, 17204, 18778, 20746, 21068, 30668, 32062, 37556, 41492, 42823, 57937, 64124, 85646, 89539, 103279, 115874, 159613, 171292, 176341, 179078, 206558, 215947, 231748, 319226, 352682, 358156, 413116, 431894, 638452, 705364, 863788, 984929, 1755743, 1969858, 2375417, 3511486, 3671099, 3939716, 4750834, 7022972, 7342198, 9501668, 14684396, 40382089, 80764178, 161528356]

約数ペア:

[(1, 161528356), (2, 80764178), (4, 40382089), (11, 14684396), (17, 9501668), (22, 7342198), (23, 7022972), (34, 4750834), (41, 3939716), (44, 3671099), (46, 3511486), (68, 2375417), (82, 1969858), (92, 1755743), (164, 984929), (187, 863788), (229, 705364), (253, 638452), (374, 431894), (391, 413116), (451, 358156), (458, 352682), (506, 319226), (697, 231748), (748, 215947), (782, 206558), (902, 179078), (916, 176341), (943, 171292), (1012, 159613), (1394, 115874), (1564, 103279), (1804, 89539), (1886, 85646), (2519, 64124), (2788, 57937), (3772, 42823), (3893, 41492), (4301, 37556), (5038, 32062), (5267, 30668), (7667, 21068), (7786, 20746), (8602, 18778), (9389, 17204), (10076, 16031), (10373, 15572), (10534, 15334)]