212427908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 489259008

約数和(自身を除く): 276831100

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 157, 161, 191, 253, 308, 314, 322, 382, 506, 628, 644, 764, 1012, 1099, 1337, 1727, 1771, 2101, 2198, 2674, 3454, 3542, 3611, 4202, 4393, 4396, 5348, 6908, 7084, 7222, 8404, 8786, 12089, 14444, 14707, 17572, 24178, 25277, 29414, 29987, 30751, 39721, 48323, 48356, 50554, 58828, 59974, 61502, 79442, 96646, 101108, 119948, 123004, 158884, 193292, 209909, 278047, 329857, 338261, 419818, 556094, 659714, 676522, 689701, 839636, 1112188, 1319428, 1353044, 1379402, 2308999, 2758804, 4617998, 4827907, 7586711, 9235996, 9655814, 15173422, 19311628, 30346844, 53106977, 106213954, 212427908]

約数ペア:

[(1, 212427908), (2, 106213954), (4, 53106977), (7, 30346844), (11, 19311628), (14, 15173422), (22, 9655814), (23, 9235996), (28, 7586711), (44, 4827907), (46, 4617998), (77, 2758804), (92, 2308999), (154, 1379402), (157, 1353044), (161, 1319428), (191, 1112188), (253, 839636), (308, 689701), (314, 676522), (322, 659714), (382, 556094), (506, 419818), (628, 338261), (644, 329857), (764, 278047), (1012, 209909), (1099, 193292), (1337, 158884), (1727, 123004), (1771, 119948), (2101, 101108), (2198, 96646), (2674, 79442), (3454, 61502), (3542, 59974), (3611, 58828), (4202, 50554), (4393, 48356), (4396, 48323), (5348, 39721), (6908, 30751), (7084, 29987), (7222, 29414), (8404, 25277), (8786, 24178), (12089, 17572), (14444, 14707)]