257746384

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{7963}}^1$

素因数の和:8012

約数の個数: 60

約数和(自身を含む): 606347104

約数和(自身を除く): 348600720

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 289, 476, 578, 952, 1156, 1904, 2023, 2312, 4046, 4624, 7963, 8092, 15926, 16184, 31852, 32368, 55741, 63704, 111482, 127408, 135371, 222964, 270742, 445928, 541484, 891856, 947597, 1082968, 1895194, 2165936, 2301307, 3790388, 4602614, 7580776, 9205228, 15161552, 16109149, 18410456, 32218298, 36820912, 64436596, 128873192, 257746384]

約数ペア:

[(1, 257746384), (2, 128873192), (4, 64436596), (7, 36820912), (8, 32218298), (14, 18410456), (16, 16109149), (17, 15161552), (28, 9205228), (34, 7580776), (56, 4602614), (68, 3790388), (112, 2301307), (119, 2165936), (136, 1895194), (238, 1082968), (272, 947597), (289, 891856), (476, 541484), (578, 445928), (952, 270742), (1156, 222964), (1904, 135371), (2023, 127408), (2312, 111482), (4046, 63704), (4624, 55741), (7963, 32368), (8092, 31852), (15926, 16184)]