988891308

素因数分解:

$2^2\times 3^3\times {\mathrm{509}}^1\times {\mathrm{17989}}^1$

素因数の和:18511

約数の個数: 48

約数和(自身を含む): 2568972000

約数和(自身を除く): 1580080692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 509, 1018, 1527, 2036, 3054, 4581, 6108, 9162, 13743, 17989, 18324, 27486, 35978, 53967, 54972, 71956, 107934, 161901, 215868, 323802, 485703, 647604, 971406, 1942812, 9156401, 18312802, 27469203, 36625604, 54938406, 82407609, 109876812, 164815218, 247222827, 329630436, 494445654, 988891308]

約数ペア:

[(1, 988891308), (2, 494445654), (3, 329630436), (4, 247222827), (6, 164815218), (9, 109876812), (12, 82407609), (18, 54938406), (27, 36625604), (36, 27469203), (54, 18312802), (108, 9156401), (509, 1942812), (1018, 971406), (1527, 647604), (2036, 485703), (3054, 323802), (4581, 215868), (6108, 161901), (9162, 107934), (13743, 71956), (17989, 54972), (18324, 53967), (27486, 35978)]