218861468

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19991}}^1$

素因数の和:20042

約数の個数: 48

約数和(自身を含む): 483646464

約数和(自身を除く): 264784996

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, 19991, 39982, 79964, 139937, 279874, 339847, 459793, 559748, 679694, 919586, 1359388, 1839172, 2378929, 3218551, 4757858, 6437102, 7816481, 9515716, 12874204, 15632962, 31265924, 54715367, 109430734, 218861468]

約数ペア:

[(1, 218861468), (2, 109430734), (4, 54715367), (7, 31265924), (14, 15632962), (17, 12874204), (23, 9515716), (28, 7816481), (34, 6437102), (46, 4757858), (68, 3218551), (92, 2378929), (119, 1839172), (161, 1359388), (238, 919586), (322, 679694), (391, 559748), (476, 459793), (644, 339847), (782, 279874), (1564, 139937), (2737, 79964), (5474, 39982), (10948, 19991)]