291239521734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{3489821}}^1$

素因数の和:3491820

約数の個数: 32

約数和(自身を含む): 666025549056

約数和(自身を除く): 374786027322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1987, 3974, 5961, 11922, 13909, 27818, 41727, 83454, 3489821, 6979642, 10469463, 20938926, 24428747, 48857494, 73286241, 146572482, 6934274327, 13868548654, 20802822981, 41605645962, 48539920289, 97079840578, 145619760867, 291239521734]

約数ペア:

[(1, 291239521734), (2, 145619760867), (3, 97079840578), (6, 48539920289), (7, 41605645962), (14, 20802822981), (21, 13868548654), (42, 6934274327), (1987, 146572482), (3974, 73286241), (5961, 48857494), (11922, 24428747), (13909, 20938926), (27818, 10469463), (41727, 6979642), (83454, 3489821)]