71890488

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^2\times {\mathrm{1039}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 201380400

約数和(自身を除く): 129489912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 961, 1039, 1116, 1922, 2078, 2232, 2883, 3117, 3844, 4156, 5766, 6234, 7688, 8312, 8649, 9351, 11532, 12468, 17298, 18702, 23064, 24936, 32209, 34596, 37404, 64418, 69192, 74808, 96627, 128836, 193254, 257672, 289881, 386508, 579762, 773016, 998479, 1159524, 1996958, 2319048, 2995437, 3993916, 5990874, 7987832, 8986311, 11981748, 17972622, 23963496, 35945244, 71890488]

約数ペア:

[(1, 71890488), (2, 35945244), (3, 23963496), (4, 17972622), (6, 11981748), (8, 8986311), (9, 7987832), (12, 5990874), (18, 3993916), (24, 2995437), (31, 2319048), (36, 1996958), (62, 1159524), (72, 998479), (93, 773016), (124, 579762), (186, 386508), (248, 289881), (279, 257672), (372, 193254), (558, 128836), (744, 96627), (961, 74808), (1039, 69192), (1116, 64418), (1922, 37404), (2078, 34596), (2232, 32209), (2883, 24936), (3117, 23064), (3844, 18702), (4156, 17298), (5766, 12468), (6234, 11532), (7688, 9351), (8312, 8649)]