209912656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{4363}}^1$

素因数の和:4499

約数の個数: 40

約数和(自身を含む): 424250624

約数和(自身を除く): 214337968

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 388, 496, 776, 1552, 3007, 4363, 6014, 8726, 12028, 17452, 24056, 34904, 48112, 69808, 135253, 270506, 423211, 541012, 846422, 1082024, 1692844, 2164048, 3385688, 6771376, 13119541, 26239082, 52478164, 104956328, 209912656]

約数ペア:

[(1, 209912656), (2, 104956328), (4, 52478164), (8, 26239082), (16, 13119541), (31, 6771376), (62, 3385688), (97, 2164048), (124, 1692844), (194, 1082024), (248, 846422), (388, 541012), (496, 423211), (776, 270506), (1552, 135253), (3007, 69808), (4363, 48112), (6014, 34904), (8726, 24056), (12028, 17452)]