216649904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{19427}}^1$

素因数の和:19493

約数の個数: 40

約数和(自身を含む): 455314608

約数和(自身を除く): 238664704

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 11152, 19427, 38854, 77708, 155416, 310832, 330259, 660518, 796507, 1321036, 1593014, 2642072, 3186028, 5284144, 6372056, 12744112, 13540619, 27081238, 54162476, 108324952, 216649904]

約数ペア:

[(1, 216649904), (2, 108324952), (4, 54162476), (8, 27081238), (16, 13540619), (17, 12744112), (34, 6372056), (41, 5284144), (68, 3186028), (82, 2642072), (136, 1593014), (164, 1321036), (272, 796507), (328, 660518), (656, 330259), (697, 310832), (1394, 155416), (2788, 77708), (5576, 38854), (11152, 19427)]