202118176

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1249}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 429975000

約数和(自身を除く): 227856824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 389, 416, 778, 1249, 1556, 2498, 3112, 4996, 5057, 6224, 9992, 10114, 12448, 16237, 19984, 20228, 32474, 39968, 40456, 64948, 80912, 129896, 161824, 259792, 485861, 519584, 971722, 1943444, 3886888, 6316193, 7773776, 12632386, 15547552, 25264772, 50529544, 101059088, 202118176]

約数ペア:

[(1, 202118176), (2, 101059088), (4, 50529544), (8, 25264772), (13, 15547552), (16, 12632386), (26, 7773776), (32, 6316193), (52, 3886888), (104, 1943444), (208, 971722), (389, 519584), (416, 485861), (778, 259792), (1249, 161824), (1556, 129896), (2498, 80912), (3112, 64948), (4996, 40456), (5057, 39968), (6224, 32474), (9992, 20228), (10114, 19984), (12448, 16237)]