1644888976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5471}}^1$

素因数の和:5564

約数の個数: 80

約数和(自身を含む): 3582627840

約数和(自身を除く): 1937738864

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 43, 46, 76, 86, 92, 152, 172, 184, 304, 344, 368, 437, 688, 817, 874, 989, 1634, 1748, 1978, 3268, 3496, 3956, 5471, 6536, 6992, 7912, 10942, 13072, 15824, 18791, 21884, 37582, 43768, 75164, 87536, 103949, 125833, 150328, 207898, 235253, 251666, 300656, 415796, 470506, 503332, 831592, 941012, 1006664, 1663184, 1882024, 2013328, 2390827, 3764048, 4469807, 4781654, 5410819, 8939614, 9563308, 10821638, 17879228, 19126616, 21643276, 35758456, 38253232, 43286552, 71516912, 86573104, 102805561, 205611122, 411222244, 822444488, 1644888976]

約数ペア:

[(1, 1644888976), (2, 822444488), (4, 411222244), (8, 205611122), (16, 102805561), (19, 86573104), (23, 71516912), (38, 43286552), (43, 38253232), (46, 35758456), (76, 21643276), (86, 19126616), (92, 17879228), (152, 10821638), (172, 9563308), (184, 8939614), (304, 5410819), (344, 4781654), (368, 4469807), (437, 3764048), (688, 2390827), (817, 2013328), (874, 1882024), (989, 1663184), (1634, 1006664), (1748, 941012), (1978, 831592), (3268, 503332), (3496, 470506), (3956, 415796), (5471, 300656), (6536, 251666), (6992, 235253), (7912, 207898), (10942, 150328), (13072, 125833), (15824, 103949), (18791, 87536), (21884, 75164), (37582, 43768)]