31426456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33891944

約数列:

[1, 2, 4, 8, 19, 38, 47, 53, 76, 83, 94, 106, 152, 166, 188, 212, 332, 376, 424, 664, 893, 1007, 1577, 1786, 2014, 2491, 3154, 3572, 3901, 4028, 4399, 4982, 6308, 7144, 7802, 8056, 8798, 9964, 12616, 15604, 17596, 19928, 31208, 35192, 47329, 74119, 83581, 94658, 148238, 167162, 189316, 206753, 296476, 334324, 378632, 413506, 592952, 668648, 827012, 1654024, 3928307, 7856614, 15713228, 31426456]

約数ペア:

[(1, 31426456), (2, 15713228), (4, 7856614), (8, 3928307), (19, 1654024), (38, 827012), (47, 668648), (53, 592952), (76, 413506), (83, 378632), (94, 334324), (106, 296476), (152, 206753), (166, 189316), (188, 167162), (212, 148238), (332, 94658), (376, 83581), (424, 74119), (664, 47329), (893, 35192), (1007, 31208), (1577, 19928), (1786, 17596), (2014, 15604), (2491, 12616), (3154, 9964), (3572, 8798), (3901, 8056), (4028, 7802), (4399, 7144), (4982, 6308)]