28777266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{647}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 71570304

約数和(自身を除く): 42793038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 353, 647, 706, 1059, 1294, 1941, 2118, 2471, 3177, 3882, 4529, 4942, 5823, 6354, 7413, 9058, 11646, 13587, 14826, 22239, 27174, 40761, 44478, 81522, 228391, 456782, 685173, 1370346, 1598737, 2055519, 3197474, 4111038, 4796211, 9592422, 14388633, 28777266]

約数ペア:

[(1, 28777266), (2, 14388633), (3, 9592422), (6, 4796211), (7, 4111038), (9, 3197474), (14, 2055519), (18, 1598737), (21, 1370346), (42, 685173), (63, 456782), (126, 228391), (353, 81522), (647, 44478), (706, 40761), (1059, 27174), (1294, 22239), (1941, 14826), (2118, 13587), (2471, 11646), (3177, 9058), (3882, 7413), (4529, 6354), (4942, 5823)]