61561938

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 76539822

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 53, 57, 69, 106, 114, 138, 159, 318, 437, 443, 874, 886, 1007, 1219, 1311, 1329, 2014, 2438, 2622, 2658, 3021, 3657, 6042, 7314, 8417, 10189, 16834, 20378, 23161, 23479, 25251, 30567, 46322, 46958, 50502, 61134, 69483, 70437, 138966, 140874, 193591, 387182, 446101, 540017, 580773, 892202, 1080034, 1161546, 1338303, 1620051, 2676606, 3240102, 10260323, 20520646, 30780969, 61561938]

約数ペア:

[(1, 61561938), (2, 30780969), (3, 20520646), (6, 10260323), (19, 3240102), (23, 2676606), (38, 1620051), (46, 1338303), (53, 1161546), (57, 1080034), (69, 892202), (106, 580773), (114, 540017), (138, 446101), (159, 387182), (318, 193591), (437, 140874), (443, 138966), (874, 70437), (886, 69483), (1007, 61134), (1219, 50502), (1311, 46958), (1329, 46322), (2014, 30567), (2438, 25251), (2622, 23479), (2658, 23161), (3021, 20378), (3657, 16834), (6042, 10189), (7314, 8417)]