257484276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53777}}^1$

素因数の和:53813

約数の個数: 72

約数和(自身を含む): 783007680

約数和(自身を除く): 525523404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 53777, 107554, 161331, 215108, 322662, 376439, 483993, 645324, 752878, 967986, 1021763, 1129317, 1505756, 1935972, 2043526, 2258634, 3065289, 3387951, 4087052, 4517268, 6130578, 6775902, 7152341, 9195867, 12261156, 13551804, 14304682, 18391734, 21457023, 28609364, 36783468, 42914046, 64371069, 85828092, 128742138, 257484276]

約数ペア:

[(1, 257484276), (2, 128742138), (3, 85828092), (4, 64371069), (6, 42914046), (7, 36783468), (9, 28609364), (12, 21457023), (14, 18391734), (18, 14304682), (19, 13551804), (21, 12261156), (28, 9195867), (36, 7152341), (38, 6775902), (42, 6130578), (57, 4517268), (63, 4087052), (76, 3387951), (84, 3065289), (114, 2258634), (126, 2043526), (133, 1935972), (171, 1505756), (228, 1129317), (252, 1021763), (266, 967986), (342, 752878), (399, 645324), (532, 483993), (684, 376439), (798, 322662), (1197, 215108), (1596, 161331), (2394, 107554), (4788, 53777)]