28394795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 12054229

約数列:

[1, 5, 11, 13, 55, 65, 143, 151, 263, 715, 755, 1315, 1661, 1963, 2893, 3419, 8305, 9815, 14465, 17095, 21593, 37609, 39713, 107965, 188045, 198565, 436843, 516269, 2184215, 2581345, 5678959, 28394795]

約数ペア:

[(1, 28394795), (5, 5678959), (11, 2581345), (13, 2184215), (55, 516269), (65, 436843), (143, 198565), (151, 188045), (263, 107965), (715, 39713), (755, 37609), (1315, 21593), (1661, 17095), (1963, 14465), (2893, 9815), (3419, 8305)]