217815584

素因数分解:

$2^5\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2698

約数の個数: 72

約数和(自身を含む): 508442508

約数和(自身を除く): 290626924

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 98, 106, 112, 196, 212, 224, 371, 392, 424, 742, 784, 848, 1484, 1568, 1696, 2597, 2621, 2968, 5194, 5242, 5936, 10388, 10484, 11872, 18347, 20776, 20968, 36694, 41552, 41936, 73388, 83104, 83872, 128429, 138913, 146776, 256858, 277826, 293552, 513716, 555652, 587104, 972391, 1027432, 1111304, 1944782, 2054864, 2222608, 3889564, 4109728, 4445216, 6806737, 7779128, 13613474, 15558256, 27226948, 31116512, 54453896, 108907792, 217815584]

約数ペア:

[(1, 217815584), (2, 108907792), (4, 54453896), (7, 31116512), (8, 27226948), (14, 15558256), (16, 13613474), (28, 7779128), (32, 6806737), (49, 4445216), (53, 4109728), (56, 3889564), (98, 2222608), (106, 2054864), (112, 1944782), (196, 1111304), (212, 1027432), (224, 972391), (371, 587104), (392, 555652), (424, 513716), (742, 293552), (784, 277826), (848, 256858), (1484, 146776), (1568, 138913), (1696, 128429), (2597, 83872), (2621, 83104), (2968, 73388), (5194, 41936), (5242, 41552), (5936, 36694), (10388, 20968), (10484, 20776), (11872, 18347)]