221401984

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1543}}^1$

素因数の和:1635

約数の個数: 64

約数和(自身を含む): 472464000

約数和(自身を除く): 251062016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 128, 152, 236, 304, 472, 608, 944, 1121, 1216, 1543, 1888, 2242, 2432, 3086, 3776, 4484, 6172, 7552, 8968, 12344, 17936, 24688, 29317, 35872, 49376, 58634, 71744, 91037, 98752, 117268, 143488, 182074, 197504, 234536, 364148, 469072, 728296, 938144, 1456592, 1729703, 1876288, 2913184, 3459406, 3752576, 5826368, 6918812, 11652736, 13837624, 27675248, 55350496, 110700992, 221401984]

約数ペア:

[(1, 221401984), (2, 110700992), (4, 55350496), (8, 27675248), (16, 13837624), (19, 11652736), (32, 6918812), (38, 5826368), (59, 3752576), (64, 3459406), (76, 2913184), (118, 1876288), (128, 1729703), (152, 1456592), (236, 938144), (304, 728296), (472, 469072), (608, 364148), (944, 234536), (1121, 197504), (1216, 182074), (1543, 143488), (1888, 117268), (2242, 98752), (2432, 91037), (3086, 71744), (3776, 58634), (4484, 49376), (6172, 35872), (7552, 29317), (8968, 24688), (12344, 17936)]