25641814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 46197360

約数和(自身を除く): 20555546

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 109, 187, 218, 289, 374, 407, 578, 629, 814, 1199, 1258, 1853, 2398, 3179, 3706, 4033, 6358, 6919, 8066, 10693, 13838, 20383, 21386, 31501, 40766, 44363, 63002, 68561, 88726, 117623, 137122, 235246, 346511, 693022, 754171, 1165537, 1508342, 2331074, 12820907, 25641814]

約数ペア:

[(1, 25641814), (2, 12820907), (11, 2331074), (17, 1508342), (22, 1165537), (34, 754171), (37, 693022), (74, 346511), (109, 235246), (187, 137122), (218, 117623), (289, 88726), (374, 68561), (407, 63002), (578, 44363), (629, 40766), (814, 31501), (1199, 21386), (1258, 20383), (1853, 13838), (2398, 10693), (3179, 8066), (3706, 6919), (4033, 6358)]