219901772

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{1949}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 391700400

約数和(自身を除く): 171798628

約数列:

[1, 2, 4, 67, 134, 268, 421, 842, 1684, 1949, 3898, 7796, 28207, 56414, 112828, 130583, 261166, 522332, 820529, 1641058, 3282116, 54975443, 109950886, 219901772]

約数ペア:

[(1, 219901772), (2, 109950886), (4, 54975443), (67, 3282116), (134, 1641058), (268, 820529), (421, 522332), (842, 261166), (1684, 130583), (1949, 112828), (3898, 56414), (7796, 28207)]