81751212

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 214246032

約数和(自身を除く): 132494820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 97, 123, 164, 194, 246, 291, 369, 388, 492, 571, 582, 738, 873, 1142, 1164, 1476, 1713, 1746, 2284, 3426, 3492, 3977, 5139, 6852, 7954, 10278, 11931, 15908, 20556, 23411, 23862, 35793, 46822, 47724, 55387, 70233, 71586, 93644, 110774, 140466, 143172, 166161, 210699, 221548, 280932, 332322, 421398, 498483, 664644, 842796, 996966, 1993932, 2270867, 4541734, 6812601, 9083468, 13625202, 20437803, 27250404, 40875606, 81751212]

約数ペア:

[(1, 81751212), (2, 40875606), (3, 27250404), (4, 20437803), (6, 13625202), (9, 9083468), (12, 6812601), (18, 4541734), (36, 2270867), (41, 1993932), (82, 996966), (97, 842796), (123, 664644), (164, 498483), (194, 421398), (246, 332322), (291, 280932), (369, 221548), (388, 210699), (492, 166161), (571, 143172), (582, 140466), (738, 110774), (873, 93644), (1142, 71586), (1164, 70233), (1476, 55387), (1713, 47724), (1746, 46822), (2284, 35793), (3426, 23862), (3492, 23411), (3977, 20556), (5139, 15908), (6852, 11931), (7954, 10278)]