215487944

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 481766400

約数和(自身を除く): 266278456

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 101, 124, 202, 217, 248, 404, 434, 707, 808, 868, 1229, 1414, 1736, 2458, 2828, 3131, 4916, 5656, 6262, 8603, 9832, 12524, 17206, 21917, 25048, 34412, 38099, 43834, 68824, 76198, 87668, 124129, 152396, 175336, 248258, 266693, 304792, 496516, 533386, 868903, 993032, 1066772, 1737806, 2133544, 3475612, 3847999, 6951224, 7695998, 15391996, 26935993, 30783992, 53871986, 107743972, 215487944]

約数ペア:

[(1, 215487944), (2, 107743972), (4, 53871986), (7, 30783992), (8, 26935993), (14, 15391996), (28, 7695998), (31, 6951224), (56, 3847999), (62, 3475612), (101, 2133544), (124, 1737806), (202, 1066772), (217, 993032), (248, 868903), (404, 533386), (434, 496516), (707, 304792), (808, 266693), (868, 248258), (1229, 175336), (1414, 152396), (1736, 124129), (2458, 87668), (2828, 76198), (3131, 68824), (4916, 43834), (5656, 38099), (6262, 34412), (8603, 25048), (9832, 21917), (12524, 17206)]