681569172

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{1163}}^1$

素因数の和:1469

約数の個数: 72

約数和(自身を含む): 1755796224

約数和(自身を除く): 1074227052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 223, 292, 438, 446, 657, 669, 876, 892, 1163, 1314, 1338, 2007, 2326, 2628, 2676, 3489, 4014, 4652, 6978, 8028, 10467, 13956, 16279, 20934, 32558, 41868, 48837, 65116, 84899, 97674, 146511, 169798, 195348, 254697, 259349, 293022, 339596, 509394, 518698, 586044, 764091, 778047, 1018788, 1037396, 1528182, 1556094, 2334141, 3056364, 3112188, 4668282, 9336564, 18932477, 37864954, 56797431, 75729908, 113594862, 170392293, 227189724, 340784586, 681569172]

約数ペア:

[(1, 681569172), (2, 340784586), (3, 227189724), (4, 170392293), (6, 113594862), (9, 75729908), (12, 56797431), (18, 37864954), (36, 18932477), (73, 9336564), (146, 4668282), (219, 3112188), (223, 3056364), (292, 2334141), (438, 1556094), (446, 1528182), (657, 1037396), (669, 1018788), (876, 778047), (892, 764091), (1163, 586044), (1314, 518698), (1338, 509394), (2007, 339596), (2326, 293022), (2628, 259349), (2676, 254697), (3489, 195348), (4014, 169798), (4652, 146511), (6978, 97674), (8028, 84899), (10467, 65116), (13956, 48837), (16279, 41868), (20934, 32558)]