220154584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{51631}}^1$

素因数の和:51691

約数の個数: 32

約数和(自身を含む): 455394240

約数和(自身を除く): 235239656

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 51631, 103262, 206524, 413048, 671203, 1342406, 2116871, 2684812, 4233742, 5369624, 8467484, 16934968, 27519323, 55038646, 110077292, 220154584]

約数ペア:

[(1, 220154584), (2, 110077292), (4, 55038646), (8, 27519323), (13, 16934968), (26, 8467484), (41, 5369624), (52, 4233742), (82, 2684812), (104, 2116871), (164, 1342406), (328, 671203), (533, 413048), (1066, 206524), (2132, 103262), (4264, 51631)]