217766668

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19891}}^1$

素因数の和:19942

約数の個数: 48

約数和(自身を含む): 481227264

約数和(自身を除く): 263460596

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 2737, 5474, 10948, 19891, 39782, 79564, 139237, 278474, 338147, 457493, 556948, 676294, 914986, 1352588, 1829972, 2367029, 3202451, 4734058, 6404902, 7777381, 9468116, 12809804, 15554762, 31109524, 54441667, 108883334, 217766668]

約数ペア:

[(1, 217766668), (2, 108883334), (4, 54441667), (7, 31109524), (14, 15554762), (17, 12809804), (23, 9468116), (28, 7777381), (34, 6404902), (46, 4734058), (68, 3202451), (92, 2367029), (119, 1829972), (161, 1352588), (238, 914986), (322, 676294), (391, 556948), (476, 457493), (644, 338147), (782, 278474), (1564, 139237), (2737, 79564), (5474, 39782), (10948, 19891)]