664172968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 1339934400

約数和(自身を除く): 675761432

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 107, 152, 194, 214, 388, 421, 428, 776, 842, 856, 1684, 1843, 2033, 3368, 3686, 4066, 7372, 7999, 8132, 10379, 14744, 15998, 16264, 20758, 31996, 40837, 41516, 45047, 63992, 81674, 83032, 90094, 163348, 180188, 197201, 326696, 360376, 394402, 775903, 788804, 855893, 1551806, 1577608, 1711786, 3103612, 3423572, 4369559, 6207224, 6847144, 8739118, 17478236, 34956472, 83021621, 166043242, 332086484, 664172968]

約数ペア:

[(1, 664172968), (2, 332086484), (4, 166043242), (8, 83021621), (19, 34956472), (38, 17478236), (76, 8739118), (97, 6847144), (107, 6207224), (152, 4369559), (194, 3423572), (214, 3103612), (388, 1711786), (421, 1577608), (428, 1551806), (776, 855893), (842, 788804), (856, 775903), (1684, 394402), (1843, 360376), (2033, 326696), (3368, 197201), (3686, 180188), (4066, 163348), (7372, 90094), (7999, 83032), (8132, 81674), (10379, 63992), (14744, 45047), (15998, 41516), (16264, 40837), (20758, 31996)]