331343168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{398249}}^1$

素因数の和:398274

約数の個数: 28

約数和(自身を含む): 708088500

約数和(自身を除く): 376745332

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 398249, 796498, 1592996, 3185992, 5177237, 6371984, 10354474, 12743968, 20708948, 25487936, 41417896, 82835792, 165671584, 331343168]

約数ペア:

[(1, 331343168), (2, 165671584), (4, 82835792), (8, 41417896), (13, 25487936), (16, 20708948), (26, 12743968), (32, 10354474), (52, 6371984), (64, 5177237), (104, 3185992), (208, 1592996), (416, 796498), (832, 398249)]