78463925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 108000900

約数和(自身を除く): 29536975

約数列:

[1, 5, 17, 23, 25, 85, 115, 349, 391, 425, 529, 575, 1745, 1955, 2645, 5933, 8027, 8725, 8993, 9775, 13225, 29665, 40135, 44965, 136459, 148325, 184621, 200675, 224825, 682295, 923105, 3138557, 3411475, 4615525, 15692785, 78463925]

約数ペア:

[(1, 78463925), (5, 15692785), (17, 4615525), (23, 3411475), (25, 3138557), (85, 923105), (115, 682295), (349, 224825), (391, 200675), (425, 184621), (529, 148325), (575, 136459), (1745, 44965), (1955, 40135), (2645, 29665), (5933, 13225), (8027, 9775), (8725, 8993)]