55403572

素因数分解:

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

素因数の和:173

約数の個数: 72

約数和(自身を含む): 120113280

約数和(自身を除く): 64709708

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 71, 116, 124, 142, 203, 217, 284, 406, 434, 497, 812, 868, 899, 961, 994, 1798, 1922, 1988, 2059, 2201, 3596, 3844, 4118, 4402, 6293, 6727, 8236, 8804, 12586, 13454, 14413, 15407, 25172, 26908, 27869, 28826, 30814, 55738, 57652, 61628, 63829, 68231, 111476, 127658, 136462, 195083, 255316, 272924, 390166, 446803, 477617, 780332, 893606, 955234, 1787212, 1910468, 1978699, 3957398, 7914796, 13850893, 27701786, 55403572]

約数ペア:

[(1, 55403572), (2, 27701786), (4, 13850893), (7, 7914796), (14, 3957398), (28, 1978699), (29, 1910468), (31, 1787212), (58, 955234), (62, 893606), (71, 780332), (116, 477617), (124, 446803), (142, 390166), (203, 272924), (217, 255316), (284, 195083), (406, 136462), (434, 127658), (497, 111476), (812, 68231), (868, 63829), (899, 61628), (961, 57652), (994, 55738), (1798, 30814), (1922, 28826), (1988, 27869), (2059, 26908), (2201, 25172), (3596, 15407), (3844, 14413), (4118, 13454), (4402, 12586), (6293, 8804), (6727, 8236)]