216341328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{643873}}^1$

素因数の和:643891

約数の個数: 40

約数和(自身を含む): 638723008

約数和(自身を除く): 422381680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 643873, 1287746, 1931619, 2575492, 3863238, 4507111, 5150984, 7726476, 9014222, 10301968, 13521333, 15452952, 18028444, 27042666, 30905904, 36056888, 54085332, 72113776, 108170664, 216341328]

約数ペア:

[(1, 216341328), (2, 108170664), (3, 72113776), (4, 54085332), (6, 36056888), (7, 30905904), (8, 27042666), (12, 18028444), (14, 15452952), (16, 13521333), (21, 10301968), (24, 9014222), (28, 7726476), (42, 5150984), (48, 4507111), (56, 3863238), (84, 2575492), (112, 1931619), (168, 1287746), (336, 643873)]