28861385

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 41091072

約数和(自身を除く): 12229687

約数列:

[1, 5, 7, 35, 43, 127, 151, 215, 301, 635, 755, 889, 1057, 1505, 4445, 5285, 5461, 6493, 19177, 27305, 32465, 38227, 45451, 95885, 134239, 191135, 227255, 671195, 824611, 4123055, 5772277, 28861385]

約数ペア:

[(1, 28861385), (5, 5772277), (7, 4123055), (35, 824611), (43, 671195), (127, 227255), (151, 191135), (215, 134239), (301, 95885), (635, 45451), (755, 38227), (889, 32465), (1057, 27305), (1505, 19177), (4445, 6493), (5285, 5461)]