440702968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{18731}}^1$

素因数の和:18927

約数の個数: 32

約数和(自身を含む): 880029360

約数和(自身を除く): 439326392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 1384, 2941, 5882, 11764, 18731, 23528, 37462, 74924, 149848, 318427, 636854, 1273708, 2547416, 3240463, 6480926, 12961852, 25923704, 55087871, 110175742, 220351484, 440702968]

約数ペア:

[(1, 440702968), (2, 220351484), (4, 110175742), (8, 55087871), (17, 25923704), (34, 12961852), (68, 6480926), (136, 3240463), (173, 2547416), (346, 1273708), (692, 636854), (1384, 318427), (2941, 149848), (5882, 74924), (11764, 37462), (18731, 23528)]