217514456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{2801}}^1$

素因数の和:3395

約数の個数: 32

約数和(自身を含む): 432740880

約数和(自身を除く): 215226424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 571, 1142, 2284, 2801, 4568, 5602, 9707, 11204, 19414, 22408, 38828, 47617, 77656, 95234, 190468, 380936, 1599371, 3198742, 6397484, 12794968, 27189307, 54378614, 108757228, 217514456]

約数ペア:

[(1, 217514456), (2, 108757228), (4, 54378614), (8, 27189307), (17, 12794968), (34, 6397484), (68, 3198742), (136, 1599371), (571, 380936), (1142, 190468), (2284, 95234), (2801, 77656), (4568, 47617), (5602, 38828), (9707, 22408), (11204, 19414)]