31999992

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 86400000

約数和(自身を除く): 54400008

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 29, 46, 58, 69, 87, 92, 116, 138, 174, 184, 232, 276, 348, 552, 667, 696, 1334, 1999, 2001, 2668, 3998, 4002, 5336, 5997, 7996, 8004, 11994, 15992, 16008, 23988, 45977, 47976, 57971, 91954, 115942, 137931, 173913, 183908, 231884, 275862, 347826, 367816, 463768, 551724, 695652, 1103448, 1333333, 1391304, 2666666, 3999999, 5333332, 7999998, 10666664, 15999996, 31999992]

約数ペア:

[(1, 31999992), (2, 15999996), (3, 10666664), (4, 7999998), (6, 5333332), (8, 3999999), (12, 2666666), (23, 1391304), (24, 1333333), (29, 1103448), (46, 695652), (58, 551724), (69, 463768), (87, 367816), (92, 347826), (116, 275862), (138, 231884), (174, 183908), (184, 173913), (232, 137931), (276, 115942), (348, 91954), (552, 57971), (667, 47976), (696, 45977), (1334, 23988), (1999, 16008), (2001, 15992), (2668, 11994), (3998, 8004), (4002, 7996), (5336, 5997)]