218645944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{27917}}^1$

素因数の和:28023

約数の個数: 32

約数和(自身を含む): 452271600

約数和(自身を除く): 233625656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 27917, 55834, 111668, 223336, 307087, 614174, 1228348, 2456696, 2484613, 4969226, 9938452, 19876904, 27330743, 54661486, 109322972, 218645944]

約数ペア:

[(1, 218645944), (2, 109322972), (4, 54661486), (8, 27330743), (11, 19876904), (22, 9938452), (44, 4969226), (88, 2484613), (89, 2456696), (178, 1228348), (356, 614174), (712, 307087), (979, 223336), (1958, 111668), (3916, 55834), (7832, 27917)]