209903728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{3089}}^1$

素因数の和:3265

約数の個数: 40

約数和(自身を含む): 423008640

約数和(自身を除く): 213104912

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 274, 496, 548, 1096, 2192, 3089, 4247, 6178, 8494, 12356, 16988, 24712, 33976, 49424, 67952, 95759, 191518, 383036, 423193, 766072, 846386, 1532144, 1692772, 3385544, 6771088, 13118983, 26237966, 52475932, 104951864, 209903728]

約数ペア:

[(1, 209903728), (2, 104951864), (4, 52475932), (8, 26237966), (16, 13118983), (31, 6771088), (62, 3385544), (124, 1692772), (137, 1532144), (248, 846386), (274, 766072), (496, 423193), (548, 383036), (1096, 191518), (2192, 95759), (3089, 67952), (4247, 49424), (6178, 33976), (8494, 24712), (12356, 16988)]