28495572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{353}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 78740928

約数和(自身を除く): 50245356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 353, 372, 434, 651, 706, 868, 961, 1059, 1302, 1412, 1922, 2118, 2471, 2604, 2883, 3844, 4236, 4942, 5766, 6727, 7413, 9884, 10943, 11532, 13454, 14826, 20181, 21886, 26908, 29652, 32829, 40362, 43772, 65658, 76601, 80724, 131316, 153202, 229803, 306404, 339233, 459606, 678466, 919212, 1017699, 1356932, 2035398, 2374631, 4070796, 4749262, 7123893, 9498524, 14247786, 28495572]

約数ペア:

[(1, 28495572), (2, 14247786), (3, 9498524), (4, 7123893), (6, 4749262), (7, 4070796), (12, 2374631), (14, 2035398), (21, 1356932), (28, 1017699), (31, 919212), (42, 678466), (62, 459606), (84, 339233), (93, 306404), (124, 229803), (186, 153202), (217, 131316), (353, 80724), (372, 76601), (434, 65658), (651, 43772), (706, 40362), (868, 32829), (961, 29652), (1059, 26908), (1302, 21886), (1412, 20181), (1922, 14826), (2118, 13454), (2471, 11532), (2604, 10943), (2883, 9884), (3844, 7413), (4236, 6727), (4942, 5766)]