71319935799

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{248641}}^1$

素因数の和:248840

約数の個数: 48

約数和(自身を含む): 122570560320

約数和(自身を除く): 51250624521

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 157, 203, 261, 471, 609, 1099, 1413, 1827, 3297, 4553, 9891, 13659, 31871, 40977, 95613, 248641, 286839, 745923, 1740487, 2237769, 5221461, 7210589, 15664383, 21631767, 39036637, 50474123, 64895301, 117109911, 151422369, 273256459, 351329733, 454267107, 819769377, 1132062473, 2459308131, 3396187419, 7924437311, 10188562257, 23773311933, 71319935799]

約数ペア:

[(1, 71319935799), (3, 23773311933), (7, 10188562257), (9, 7924437311), (21, 3396187419), (29, 2459308131), (63, 1132062473), (87, 819769377), (157, 454267107), (203, 351329733), (261, 273256459), (471, 151422369), (609, 117109911), (1099, 64895301), (1413, 50474123), (1827, 39036637), (3297, 21631767), (4553, 15664383), (9891, 7210589), (13659, 5221461), (31871, 2237769), (40977, 1740487), (95613, 745923), (248641, 286839)]