51420325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:702

約数の個数: 36

約数和(自身を含む): 74004192

約数和(自身を除く): 22583867

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 289, 425, 647, 935, 1445, 3179, 3235, 4675, 7117, 7225, 10999, 15895, 16175, 35585, 54995, 79475, 120989, 177925, 186983, 274975, 604945, 934915, 2056813, 3024725, 4674575, 10284065, 51420325]

約数ペア:

[(1, 51420325), (5, 10284065), (11, 4674575), (17, 3024725), (25, 2056813), (55, 934915), (85, 604945), (187, 274975), (275, 186983), (289, 177925), (425, 120989), (647, 79475), (935, 54995), (1445, 35585), (3179, 16175), (3235, 15895), (4675, 10999), (7117, 7225)]