15668468921

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1483}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 19594641024

約数和(自身を除く): 3926172103

約数列:

[1, 7, 19, 37, 113, 133, 259, 361, 703, 791, 1483, 2147, 2527, 4181, 4921, 10381, 13357, 15029, 28177, 29267, 40793, 54871, 79439, 93499, 167579, 197239, 285551, 384097, 535363, 556073, 1042549, 1173053, 1509341, 3184001, 3747541, 6200423, 7297843, 10565387, 19808431, 22288007, 43402961, 60496019, 117808037, 138659017, 423472133, 824656259, 2238352703, 15668468921]

約数ペア:

[(1, 15668468921), (7, 2238352703), (19, 824656259), (37, 423472133), (113, 138659017), (133, 117808037), (259, 60496019), (361, 43402961), (703, 22288007), (791, 19808431), (1483, 10565387), (2147, 7297843), (2527, 6200423), (4181, 3747541), (4921, 3184001), (10381, 1509341), (13357, 1173053), (15029, 1042549), (28177, 556073), (29267, 535363), (40793, 384097), (54871, 285551), (79439, 197239), (93499, 167579)]