31640672

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1228

約数の個数: 72

約数和(自身を含む): 76789944

約数和(自身を除く): 45149272

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1187, 1568, 1666, 1904, 2374, 3332, 3808, 4748, 6664, 8309, 9496, 13328, 16618, 18992, 20179, 26656, 33236, 37984, 40358, 58163, 66472, 80716, 116326, 132944, 141253, 161432, 232652, 265888, 282506, 322864, 465304, 565012, 645728, 930608, 988771, 1130024, 1861216, 1977542, 2260048, 3955084, 4520096, 7910168, 15820336, 31640672]

約数ペア:

[(1, 31640672), (2, 15820336), (4, 7910168), (7, 4520096), (8, 3955084), (14, 2260048), (16, 1977542), (17, 1861216), (28, 1130024), (32, 988771), (34, 930608), (49, 645728), (56, 565012), (68, 465304), (98, 322864), (112, 282506), (119, 265888), (136, 232652), (196, 161432), (224, 141253), (238, 132944), (272, 116326), (392, 80716), (476, 66472), (544, 58163), (784, 40358), (833, 37984), (952, 33236), (1187, 26656), (1568, 20179), (1666, 18992), (1904, 16618), (2374, 13328), (3332, 9496), (3808, 8309), (4748, 6664)]