81049696

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2141}}^1$

素因数の和:2184

約数の個数: 72

約数和(自身を含む): 197560944

約数和(自身を除く): 116511248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 2141, 2366, 2704, 2912, 4282, 4732, 5408, 8564, 9464, 14987, 17128, 18928, 27833, 29974, 34256, 37856, 55666, 59948, 68512, 111332, 119896, 194831, 222664, 239792, 361829, 389662, 445328, 479584, 723658, 779324, 890656, 1447316, 1558648, 2532803, 2894632, 3117296, 5065606, 5789264, 6234592, 10131212, 11578528, 20262424, 40524848, 81049696]

約数ペア:

[(1, 81049696), (2, 40524848), (4, 20262424), (7, 11578528), (8, 10131212), (13, 6234592), (14, 5789264), (16, 5065606), (26, 3117296), (28, 2894632), (32, 2532803), (52, 1558648), (56, 1447316), (91, 890656), (104, 779324), (112, 723658), (169, 479584), (182, 445328), (208, 389662), (224, 361829), (338, 239792), (364, 222664), (416, 194831), (676, 119896), (728, 111332), (1183, 68512), (1352, 59948), (1456, 55666), (2141, 37856), (2366, 34256), (2704, 29974), (2912, 27833), (4282, 18928), (4732, 17128), (5408, 14987), (8564, 9464)]