71390488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2671}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 144768960

約数和(自身を除く): 73378472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 2056, 2671, 3341, 5342, 6682, 10684, 13364, 21368, 26728, 34723, 69446, 138892, 277784, 686447, 1372894, 2745788, 5491576, 8923811, 17847622, 35695244, 71390488]

約数ペア:

[(1, 71390488), (2, 35695244), (4, 17847622), (8, 8923811), (13, 5491576), (26, 2745788), (52, 1372894), (104, 686447), (257, 277784), (514, 138892), (1028, 69446), (2056, 34723), (2671, 26728), (3341, 21368), (5342, 13364), (6682, 10684)]