890188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 1905120

約数和(自身を除く): 1014932

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 53, 68, 76, 106, 212, 221, 247, 323, 442, 494, 646, 689, 884, 901, 988, 1007, 1292, 1378, 1802, 2014, 2756, 3604, 4028, 4199, 8398, 11713, 13091, 16796, 17119, 23426, 26182, 34238, 46852, 52364, 68476, 222547, 445094, 890188]

約数ペア:

[(1, 890188), (2, 445094), (4, 222547), (13, 68476), (17, 52364), (19, 46852), (26, 34238), (34, 26182), (38, 23426), (52, 17119), (53, 16796), (68, 13091), (76, 11713), (106, 8398), (212, 4199), (221, 4028), (247, 3604), (323, 2756), (442, 2014), (494, 1802), (646, 1378), (689, 1292), (884, 1007), (901, 988)]