123741688

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^2\times {\mathrm{137}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 269215920

約数和(自身を除く): 145474232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 137, 254, 274, 508, 548, 889, 959, 1016, 1096, 1778, 1918, 3556, 3836, 7112, 7672, 16129, 17399, 32258, 34798, 64516, 69596, 112903, 121793, 129032, 139192, 225806, 243586, 451612, 487172, 903224, 974344, 2209673, 4419346, 8838692, 15467711, 17677384, 30935422, 61870844, 123741688]

約数ペア:

[(1, 123741688), (2, 61870844), (4, 30935422), (7, 17677384), (8, 15467711), (14, 8838692), (28, 4419346), (56, 2209673), (127, 974344), (137, 903224), (254, 487172), (274, 451612), (508, 243586), (548, 225806), (889, 139192), (959, 129032), (1016, 121793), (1096, 112903), (1778, 69596), (1918, 64516), (3556, 34798), (3836, 32258), (7112, 17399), (7672, 16129)]