77880286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 130813056

約数和(自身を除く): 52932770

約数列:

[1, 2, 11, 22, 61, 122, 131, 262, 443, 671, 886, 1342, 1441, 2882, 4873, 7991, 9746, 15982, 27023, 54046, 58033, 87901, 116066, 175802, 297253, 594506, 638363, 1276726, 3540013, 7080026, 38940143, 77880286]

約数ペア:

[(1, 77880286), (2, 38940143), (11, 7080026), (22, 3540013), (61, 1276726), (122, 638363), (131, 594506), (262, 297253), (443, 175802), (671, 116066), (886, 87901), (1342, 58033), (1441, 54046), (2882, 27023), (4873, 15982), (7991, 9746)]