402339328

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{25349}}^1$

素因数の和:25398

約数の個数: 40

約数和(自身を含む): 829857600

約数和(自身を除く): 427518272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 25349, 50698, 101396, 202792, 405584, 785819, 811168, 1571638, 1622336, 3143276, 3244672, 6286552, 6489344, 12573104, 12978688, 25146208, 50292416, 100584832, 201169664, 402339328]

約数ペア:

[(1, 402339328), (2, 201169664), (4, 100584832), (8, 50292416), (16, 25146208), (31, 12978688), (32, 12573104), (62, 6489344), (64, 6286552), (124, 3244672), (128, 3143276), (248, 1622336), (256, 1571638), (496, 811168), (512, 785819), (992, 405584), (1984, 202792), (3968, 101396), (7936, 50698), (15872, 25349)]