2553612985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 3908321280

約数和(自身を除く): 1354708295

約数列:

[1, 5, 7, 11, 35, 55, 77, 79, 113, 385, 395, 553, 565, 743, 791, 869, 1243, 2765, 3715, 3955, 4345, 5201, 6083, 6215, 8173, 8701, 8927, 26005, 30415, 40865, 43505, 44635, 57211, 58697, 62489, 83959, 98197, 286055, 293485, 312445, 410879, 419795, 490985, 587713, 645667, 687379, 923549, 2054395, 2938565, 3228335, 3436895, 4519669, 4617745, 6464843, 6632761, 22598345, 32324215, 33163805, 46429327, 72960371, 232146635, 364801855, 510722597, 2553612985]

約数ペア:

[(1, 2553612985), (5, 510722597), (7, 364801855), (11, 232146635), (35, 72960371), (55, 46429327), (77, 33163805), (79, 32324215), (113, 22598345), (385, 6632761), (395, 6464843), (553, 4617745), (565, 4519669), (743, 3436895), (791, 3228335), (869, 2938565), (1243, 2054395), (2765, 923549), (3715, 687379), (3955, 645667), (4345, 587713), (5201, 490985), (6083, 419795), (6215, 410879), (8173, 312445), (8701, 293485), (8927, 286055), (26005, 98197), (30415, 83959), (40865, 62489), (43505, 58697), (44635, 57211)]