81819136

素因数分解:

$2^9\times 7^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 80

約数和(自身を含む): 192193056

約数和(自身を除く): 110373920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 512, 518, 592, 617, 896, 1036, 1184, 1234, 1792, 2072, 2368, 2468, 3584, 4144, 4319, 4736, 4936, 8288, 8638, 9472, 9872, 16576, 17276, 18944, 19744, 22829, 33152, 34552, 39488, 45658, 66304, 69104, 78976, 91316, 132608, 138208, 157952, 159803, 182632, 276416, 315904, 319606, 365264, 552832, 639212, 730528, 1105664, 1278424, 1461056, 2211328, 2556848, 2922112, 5113696, 5844224, 10227392, 11688448, 20454784, 40909568, 81819136]

約数ペア:

[(1, 81819136), (2, 40909568), (4, 20454784), (7, 11688448), (8, 10227392), (14, 5844224), (16, 5113696), (28, 2922112), (32, 2556848), (37, 2211328), (56, 1461056), (64, 1278424), (74, 1105664), (112, 730528), (128, 639212), (148, 552832), (224, 365264), (256, 319606), (259, 315904), (296, 276416), (448, 182632), (512, 159803), (518, 157952), (592, 138208), (617, 132608), (896, 91316), (1036, 78976), (1184, 69104), (1234, 66304), (1792, 45658), (2072, 39488), (2368, 34552), (2468, 33152), (3584, 22829), (4144, 19744), (4319, 18944), (4736, 17276), (4936, 16576), (8288, 9872), (8638, 9472)]