27701786

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 51477120

約数和(自身を除く): 23775334

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 71, 142, 203, 217, 406, 434, 497, 899, 961, 994, 1798, 1922, 2059, 2201, 4118, 4402, 6293, 6727, 12586, 13454, 14413, 15407, 27869, 28826, 30814, 55738, 63829, 68231, 127658, 136462, 195083, 390166, 446803, 477617, 893606, 955234, 1978699, 3957398, 13850893, 27701786]

約数ペア:

[(1, 27701786), (2, 13850893), (7, 3957398), (14, 1978699), (29, 955234), (31, 893606), (58, 477617), (62, 446803), (71, 390166), (142, 195083), (203, 136462), (217, 127658), (406, 68231), (434, 63829), (497, 55738), (899, 30814), (961, 28826), (994, 27869), (1798, 15407), (1922, 14413), (2059, 13454), (2201, 12586), (4118, 6727), (4402, 6293)]