664751328

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{364447}}^1$

素因数の和:364479

約数の個数: 48

約数和(自身を含む): 1836817920

約数和(自身を除く): 1172066592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 364447, 728894, 1093341, 1457788, 2186682, 2915576, 4373364, 5831152, 6924493, 8746728, 11662304, 13848986, 17493456, 20773479, 27697972, 34986912, 41546958, 55395944, 83093916, 110791888, 166187832, 221583776, 332375664, 664751328]

約数ペア:

[(1, 664751328), (2, 332375664), (3, 221583776), (4, 166187832), (6, 110791888), (8, 83093916), (12, 55395944), (16, 41546958), (19, 34986912), (24, 27697972), (32, 20773479), (38, 17493456), (48, 13848986), (57, 11662304), (76, 8746728), (96, 6924493), (114, 5831152), (152, 4373364), (228, 2915576), (304, 2186682), (456, 1457788), (608, 1093341), (912, 728894), (1824, 364447)]