287632908

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 745119648

約数和(自身を除く): 457486740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 233, 318, 466, 477, 636, 647, 699, 932, 954, 1294, 1398, 1908, 1941, 2097, 2588, 2796, 3882, 4194, 5823, 7764, 8388, 11646, 12349, 23292, 24698, 34291, 37047, 49396, 68582, 74094, 102873, 111141, 137164, 148188, 150751, 205746, 222282, 301502, 308619, 411492, 444564, 452253, 603004, 617238, 904506, 1234476, 1356759, 1809012, 2713518, 5427036, 7989803, 15979606, 23969409, 31959212, 47938818, 71908227, 95877636, 143816454, 287632908]

約数ペア:

[(1, 287632908), (2, 143816454), (3, 95877636), (4, 71908227), (6, 47938818), (9, 31959212), (12, 23969409), (18, 15979606), (36, 7989803), (53, 5427036), (106, 2713518), (159, 1809012), (212, 1356759), (233, 1234476), (318, 904506), (466, 617238), (477, 603004), (636, 452253), (647, 444564), (699, 411492), (932, 308619), (954, 301502), (1294, 222282), (1398, 205746), (1908, 150751), (1941, 148188), (2097, 137164), (2588, 111141), (2796, 102873), (3882, 74094), (4194, 68582), (5823, 49396), (7764, 37047), (8388, 34291), (11646, 24698), (12349, 23292)]