28620935

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 41717760

約数和(自身を除く): 13096825

約数列:

[1, 5, 7, 19, 35, 95, 133, 193, 223, 665, 965, 1115, 1351, 1561, 3667, 4237, 6755, 7805, 18335, 21185, 25669, 29659, 43039, 128345, 148295, 215195, 301273, 817741, 1506365, 4088705, 5724187, 28620935]

約数ペア:

[(1, 28620935), (5, 5724187), (7, 4088705), (19, 1506365), (35, 817741), (95, 301273), (133, 215195), (193, 148295), (223, 128345), (665, 43039), (965, 29659), (1115, 25669), (1351, 21185), (1561, 18335), (3667, 7805), (4237, 6755)]