2016155990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 3812769792

約数和(自身を除く): 1796613802

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 233, 271, 310, 466, 515, 542, 1030, 1165, 1355, 2330, 2710, 3193, 6386, 7223, 8401, 14446, 15965, 16802, 23999, 27913, 31930, 36115, 42005, 47998, 55826, 63143, 72230, 84010, 119995, 126286, 139565, 239990, 279130, 315715, 631430, 743969, 865303, 1487938, 1730606, 1957433, 3719845, 3914866, 4326515, 6503729, 7439690, 8653030, 9787165, 13007458, 19574330, 32518645, 65037290, 201615599, 403231198, 1008077995, 2016155990]

約数ペア:

[(1, 2016155990), (2, 1008077995), (5, 403231198), (10, 201615599), (31, 65037290), (62, 32518645), (103, 19574330), (155, 13007458), (206, 9787165), (233, 8653030), (271, 7439690), (310, 6503729), (466, 4326515), (515, 3914866), (542, 3719845), (1030, 1957433), (1165, 1730606), (1355, 1487938), (2330, 865303), (2710, 743969), (3193, 631430), (6386, 315715), (7223, 279130), (8401, 239990), (14446, 139565), (15965, 126286), (16802, 119995), (23999, 84010), (27913, 72230), (31930, 63143), (36115, 55826), (42005, 47998)]