78449815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 103576320

約数和(自身を除く): 25126505

約数列:

[1, 5, 17, 47, 73, 85, 235, 269, 365, 799, 1241, 1345, 3431, 3995, 4573, 6205, 12643, 17155, 19637, 22865, 58327, 63215, 98185, 214931, 291635, 333829, 922939, 1074655, 1669145, 4614695, 15689963, 78449815]

約数ペア:

[(1, 78449815), (5, 15689963), (17, 4614695), (47, 1669145), (73, 1074655), (85, 922939), (235, 333829), (269, 291635), (365, 214931), (799, 98185), (1241, 63215), (1345, 58327), (3431, 22865), (3995, 19637), (4573, 17155), (6205, 12643)]