405012004

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{641}}^1\times {\mathrm{1153}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 715678488

約数和(自身を除く): 310666484

約数列:

[1, 2, 4, 137, 274, 548, 641, 1153, 1282, 2306, 2564, 4612, 87817, 157961, 175634, 315922, 351268, 631844, 739073, 1478146, 2956292, 101253001, 202506002, 405012004]

約数ペア:

[(1, 405012004), (2, 202506002), (4, 101253001), (137, 2956292), (274, 1478146), (548, 739073), (641, 631844), (1153, 351268), (1282, 315922), (2306, 175634), (2564, 157961), (4612, 87817)]