31596136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 39165464

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 389, 568, 572, 778, 781, 923, 1144, 1556, 1562, 1846, 3112, 3124, 3692, 4279, 5057, 6248, 7384, 8558, 10114, 10153, 17116, 20228, 20306, 27619, 34232, 40456, 40612, 55238, 55627, 81224, 110476, 111254, 220952, 222508, 303809, 359047, 445016, 607618, 718094, 1215236, 1436188, 2430472, 2872376, 3949517, 7899034, 15798068, 31596136]

約数ペア:

[(1, 31596136), (2, 15798068), (4, 7899034), (8, 3949517), (11, 2872376), (13, 2430472), (22, 1436188), (26, 1215236), (44, 718094), (52, 607618), (71, 445016), (88, 359047), (104, 303809), (142, 222508), (143, 220952), (284, 111254), (286, 110476), (389, 81224), (568, 55627), (572, 55238), (778, 40612), (781, 40456), (923, 34232), (1144, 27619), (1556, 20306), (1562, 20228), (1846, 17116), (3112, 10153), (3124, 10114), (3692, 8558), (4279, 7384), (5057, 6248)]