251007119

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 312560640

約数和(自身を除く): 61553521

約数列:

[1, 11, 19, 23, 47, 101, 121, 209, 253, 437, 517, 893, 1081, 1111, 1919, 2299, 2323, 2783, 4747, 4807, 5687, 9823, 11891, 12221, 20539, 21109, 25553, 44137, 52217, 52877, 90193, 108053, 109181, 130801, 225929, 232199, 281083, 485507, 574387, 992123, 1200991, 2074439, 2485219, 5340577, 10913353, 13210901, 22818829, 251007119]

約数ペア:

[(1, 251007119), (11, 22818829), (19, 13210901), (23, 10913353), (47, 5340577), (101, 2485219), (121, 2074439), (209, 1200991), (253, 992123), (437, 574387), (517, 485507), (893, 281083), (1081, 232199), (1111, 225929), (1919, 130801), (2299, 109181), (2323, 108053), (2783, 90193), (4747, 52877), (4807, 52217), (5687, 44137), (9823, 25553), (11891, 21109), (12221, 20539)]