257397714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{120167}}^1$

素因数の和:120199

約数の個数: 48

約数和(自身を含む): 674863488

約数和(自身を除く): 417465774

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 120167, 240334, 360501, 721002, 841169, 1081503, 1682338, 2042839, 2163006, 2523507, 4085678, 5047014, 6128517, 7570521, 12257034, 14299873, 15141042, 18385551, 28599746, 36771102, 42899619, 85799238, 128698857, 257397714]

約数ペア:

[(1, 257397714), (2, 128698857), (3, 85799238), (6, 42899619), (7, 36771102), (9, 28599746), (14, 18385551), (17, 15141042), (18, 14299873), (21, 12257034), (34, 7570521), (42, 6128517), (51, 5047014), (63, 4085678), (102, 2523507), (119, 2163006), (126, 2042839), (153, 1682338), (238, 1081503), (306, 841169), (357, 721002), (714, 360501), (1071, 240334), (2142, 120167)]