211219216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{9859}}^1$

素因数の和:9983

約数の個数: 40

約数和(自身を含む): 445040960

約数和(自身を除く): 233821744

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 9859, 10712, 19718, 21424, 39436, 78872, 128167, 157744, 256334, 512668, 1015477, 1025336, 2030954, 2050672, 4061908, 8123816, 13201201, 16247632, 26402402, 52804804, 105609608, 211219216]

約数ペア:

[(1, 211219216), (2, 105609608), (4, 52804804), (8, 26402402), (13, 16247632), (16, 13201201), (26, 8123816), (52, 4061908), (103, 2050672), (104, 2030954), (206, 1025336), (208, 1015477), (412, 512668), (824, 256334), (1339, 157744), (1648, 128167), (2678, 78872), (5356, 39436), (9859, 21424), (10712, 19718)]