1252916848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{20921}}^1$

素因数の和:21145

約数の個数: 40

約数和(自身を含む): 2568384720

約数和(自身を除く): 1315467872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 197, 304, 394, 788, 1576, 3152, 3743, 7486, 14972, 20921, 29944, 41842, 59888, 83684, 167368, 334736, 397499, 794998, 1589996, 3179992, 4121437, 6359984, 8242874, 16485748, 32971496, 65942992, 78307303, 156614606, 313229212, 626458424, 1252916848]

約数ペア:

[(1, 1252916848), (2, 626458424), (4, 313229212), (8, 156614606), (16, 78307303), (19, 65942992), (38, 32971496), (76, 16485748), (152, 8242874), (197, 6359984), (304, 4121437), (394, 3179992), (788, 1589996), (1576, 794998), (3152, 397499), (3743, 334736), (7486, 167368), (14972, 83684), (20921, 59888), (29944, 41842)]