28186730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:911

約数の個数: 64

約数和(自身を含む): 62270208

約数和(自身を除く): 34083478

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 598, 715, 857, 1265, 1430, 1495, 1714, 2530, 2990, 3289, 4285, 6578, 8570, 9427, 11141, 16445, 18854, 19711, 22282, 32890, 39422, 47135, 55705, 94270, 98555, 111410, 122551, 197110, 216821, 245102, 256243, 433642, 512486, 612755, 1084105, 1225510, 1281215, 2168210, 2562430, 2818673, 5637346, 14093365, 28186730]

約数ペア:

[(1, 28186730), (2, 14093365), (5, 5637346), (10, 2818673), (11, 2562430), (13, 2168210), (22, 1281215), (23, 1225510), (26, 1084105), (46, 612755), (55, 512486), (65, 433642), (110, 256243), (115, 245102), (130, 216821), (143, 197110), (230, 122551), (253, 111410), (286, 98555), (299, 94270), (506, 55705), (598, 47135), (715, 39422), (857, 32890), (1265, 22282), (1430, 19711), (1495, 18854), (1714, 16445), (2530, 11141), (2990, 9427), (3289, 8570), (4285, 6578)]