644907216

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{138511}}^1$

素因数の和:138619

約数の個数: 40

約数和(自身を含む): 1683197824

約数和(自身を除く): 1038290608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4656, 138511, 277022, 415533, 554044, 831066, 1108088, 1662132, 2216176, 3324264, 6648528, 13435567, 26871134, 40306701, 53742268, 80613402, 107484536, 161226804, 214969072, 322453608, 644907216]

約数ペア:

[(1, 644907216), (2, 322453608), (3, 214969072), (4, 161226804), (6, 107484536), (8, 80613402), (12, 53742268), (16, 40306701), (24, 26871134), (48, 13435567), (97, 6648528), (194, 3324264), (291, 2216176), (388, 1662132), (582, 1108088), (776, 831066), (1164, 554044), (1552, 415533), (2328, 277022), (4656, 138511)]