78854724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 72

約数和(自身を含む): 216146840

約数和(自身を除く): 137292116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 997, 1014, 1521, 1994, 2028, 2197, 2991, 3042, 3988, 4394, 5982, 6084, 6591, 8788, 8973, 11964, 12961, 13182, 17946, 19773, 25922, 26364, 35892, 38883, 39546, 51844, 77766, 79092, 116649, 155532, 168493, 233298, 336986, 466596, 505479, 673972, 1010958, 1516437, 2021916, 2190409, 3032874, 4380818, 6065748, 6571227, 8761636, 13142454, 19713681, 26284908, 39427362, 78854724]

約数ペア:

[(1, 78854724), (2, 39427362), (3, 26284908), (4, 19713681), (6, 13142454), (9, 8761636), (12, 6571227), (13, 6065748), (18, 4380818), (26, 3032874), (36, 2190409), (39, 2021916), (52, 1516437), (78, 1010958), (117, 673972), (156, 505479), (169, 466596), (234, 336986), (338, 233298), (468, 168493), (507, 155532), (676, 116649), (997, 79092), (1014, 77766), (1521, 51844), (1994, 39546), (2028, 38883), (2197, 35892), (2991, 26364), (3042, 25922), (3988, 19773), (4394, 17946), (5982, 13182), (6084, 12961), (6591, 11964), (8788, 8973)]