78876005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1741}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 110623968

約数和(自身を除く): 31747963

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 697, 1105, 1741, 2665, 3485, 8705, 9061, 22633, 29597, 45305, 71381, 113165, 147985, 356905, 384761, 927953, 1213477, 1923805, 4639765, 6067385, 15775201, 78876005]

約数ペア:

[(1, 78876005), (5, 15775201), (13, 6067385), (17, 4639765), (41, 1923805), (65, 1213477), (85, 927953), (205, 384761), (221, 356905), (533, 147985), (697, 113165), (1105, 71381), (1741, 45305), (2665, 29597), (3485, 22633), (8705, 9061)]