221565608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{23099}}^1$

素因数の和:23225

約数の個数: 32

約数和(自身を含む): 457380000

約数和(自身を除く): 235814392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2398, 4796, 9592, 23099, 46198, 92396, 184792, 254089, 508178, 1016356, 2032712, 2517791, 5035582, 10071164, 20142328, 27695701, 55391402, 110782804, 221565608]

約数ペア:

[(1, 221565608), (2, 110782804), (4, 55391402), (8, 27695701), (11, 20142328), (22, 10071164), (44, 5035582), (88, 2517791), (109, 2032712), (218, 1016356), (436, 508178), (872, 254089), (1199, 184792), (2398, 92396), (4796, 46198), (9592, 23099)]