78151256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 160380000

約数和(自身を除く): 82228744

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 89, 106, 109, 152, 178, 212, 218, 356, 424, 436, 712, 872, 1007, 1691, 2014, 2071, 3382, 4028, 4142, 4717, 5777, 6764, 8056, 8284, 9434, 9701, 11554, 13528, 16568, 18868, 19402, 23108, 37736, 38804, 46216, 77608, 89623, 109763, 179246, 184319, 219526, 358492, 368638, 439052, 514153, 716984, 737276, 878104, 1028306, 1474552, 2056612, 4113224, 9768907, 19537814, 39075628, 78151256]

約数ペア:

[(1, 78151256), (2, 39075628), (4, 19537814), (8, 9768907), (19, 4113224), (38, 2056612), (53, 1474552), (76, 1028306), (89, 878104), (106, 737276), (109, 716984), (152, 514153), (178, 439052), (212, 368638), (218, 358492), (356, 219526), (424, 184319), (436, 179246), (712, 109763), (872, 89623), (1007, 77608), (1691, 46216), (2014, 38804), (2071, 37736), (3382, 23108), (4028, 19402), (4142, 18868), (4717, 16568), (5777, 13528), (6764, 11554), (8056, 9701), (8284, 9434)]