81428704

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3217}}^1$

素因数の和:3347

約数の個数: 48

約数和(自身を含む): 184893408

約数和(自身を除く): 103464704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 904, 1582, 1808, 3164, 3217, 3616, 6328, 6434, 12656, 12868, 22519, 25312, 25736, 45038, 51472, 90076, 102944, 180152, 360304, 363521, 720608, 727042, 1454084, 2544647, 2908168, 5089294, 5816336, 10178588, 11632672, 20357176, 40714352, 81428704]

約数ペア:

[(1, 81428704), (2, 40714352), (4, 20357176), (7, 11632672), (8, 10178588), (14, 5816336), (16, 5089294), (28, 2908168), (32, 2544647), (56, 1454084), (112, 727042), (113, 720608), (224, 363521), (226, 360304), (452, 180152), (791, 102944), (904, 90076), (1582, 51472), (1808, 45038), (3164, 25736), (3217, 25312), (3616, 22519), (6328, 12868), (6434, 12656)]