28251056

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 56142240

約数和(自身を除く): 27891184

約数列:

[1, 2, 4, 8, 16, 97, 109, 167, 194, 218, 334, 388, 436, 668, 776, 872, 1336, 1552, 1744, 2672, 10573, 16199, 18203, 21146, 32398, 36406, 42292, 64796, 72812, 84584, 129592, 145624, 169168, 259184, 291248, 1765691, 3531382, 7062764, 14125528, 28251056]

約数ペア:

[(1, 28251056), (2, 14125528), (4, 7062764), (8, 3531382), (16, 1765691), (97, 291248), (109, 259184), (167, 169168), (194, 145624), (218, 129592), (334, 84584), (388, 72812), (436, 64796), (668, 42292), (776, 36406), (872, 32398), (1336, 21146), (1552, 18203), (1744, 16199), (2672, 10573)]