205513168

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 470525440

約数和(自身を除く): 265012272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 139, 172, 278, 301, 307, 344, 556, 602, 614, 688, 973, 1112, 1204, 1228, 1946, 2149, 2224, 2408, 2456, 3892, 4298, 4816, 4912, 5977, 7784, 8596, 11954, 13201, 15568, 17192, 23908, 26402, 34384, 41839, 42673, 47816, 52804, 83678, 85346, 92407, 95632, 105608, 167356, 170692, 184814, 211216, 298711, 334712, 341384, 369628, 597422, 669424, 682768, 739256, 1194844, 1478512, 1834939, 2389688, 3669878, 4779376, 7339756, 12844573, 14679512, 25689146, 29359024, 51378292, 102756584, 205513168]

約数ペア:

[(1, 205513168), (2, 102756584), (4, 51378292), (7, 29359024), (8, 25689146), (14, 14679512), (16, 12844573), (28, 7339756), (43, 4779376), (56, 3669878), (86, 2389688), (112, 1834939), (139, 1478512), (172, 1194844), (278, 739256), (301, 682768), (307, 669424), (344, 597422), (556, 369628), (602, 341384), (614, 334712), (688, 298711), (973, 211216), (1112, 184814), (1204, 170692), (1228, 167356), (1946, 105608), (2149, 95632), (2224, 92407), (2408, 85346), (2456, 83678), (3892, 52804), (4298, 47816), (4816, 42673), (4912, 41839), (5977, 34384), (7784, 26402), (8596, 23908), (11954, 17192), (13201, 15568)]