397971838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1823}}^1\times {\mathrm{9923}}^1$

素因数の和:11759

約数の個数: 16

約数和(自身を含む): 651649536

約数和(自身を除く): 253677698

約数列:

[1, 2, 11, 22, 1823, 3646, 9923, 19846, 20053, 40106, 109153, 218306, 18089629, 36179258, 198985919, 397971838]

約数ペア:

[(1, 397971838), (2, 198985919), (11, 36179258), (22, 18089629), (1823, 218306), (3646, 109153), (9923, 40106), (19846, 20053)]