31391412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 82885824

約数和(自身を除く): 51494412

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 169, 276, 299, 338, 507, 598, 673, 676, 897, 1014, 1196, 1346, 1794, 2019, 2028, 2692, 3588, 3887, 4038, 7774, 8076, 8749, 11661, 15479, 15548, 17498, 23322, 26247, 30958, 34996, 46437, 46644, 52494, 61916, 92874, 104988, 113737, 185748, 201227, 227474, 341211, 402454, 454948, 603681, 682422, 804908, 1207362, 1364844, 2414724, 2615951, 5231902, 7847853, 10463804, 15695706, 31391412]

約数ペア:

[(1, 31391412), (2, 15695706), (3, 10463804), (4, 7847853), (6, 5231902), (12, 2615951), (13, 2414724), (23, 1364844), (26, 1207362), (39, 804908), (46, 682422), (52, 603681), (69, 454948), (78, 402454), (92, 341211), (138, 227474), (156, 201227), (169, 185748), (276, 113737), (299, 104988), (338, 92874), (507, 61916), (598, 52494), (673, 46644), (676, 46437), (897, 34996), (1014, 30958), (1196, 26247), (1346, 23322), (1794, 17498), (2019, 15548), (2028, 15479), (2692, 11661), (3588, 8749), (3887, 8076), (4038, 7774)]