15999996

素因数分解:

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

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 40320000

約数和(自身を除く): 24320004

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 1999, 2001, 2668, 3998, 4002, 5997, 7996, 8004, 11994, 23988, 45977, 57971, 91954, 115942, 137931, 173913, 183908, 231884, 275862, 347826, 551724, 695652, 1333333, 2666666, 3999999, 5333332, 7999998, 15999996]

約数ペア:

[(1, 15999996), (2, 7999998), (3, 5333332), (4, 3999999), (6, 2666666), (12, 1333333), (23, 695652), (29, 551724), (46, 347826), (58, 275862), (69, 231884), (87, 183908), (92, 173913), (116, 137931), (138, 115942), (174, 91954), (276, 57971), (348, 45977), (667, 23988), (1334, 11994), (1999, 8004), (2001, 7996), (2668, 5997), (3998, 4002)]