1231355678

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 2209628160

約数和(自身を除く): 978272482

約数列:

[1, 2, 7, 14, 53, 73, 106, 127, 146, 179, 254, 358, 371, 511, 742, 889, 1022, 1253, 1778, 2506, 3869, 6731, 7738, 9271, 9487, 13067, 13462, 18542, 18974, 22733, 26134, 27083, 45466, 47117, 54166, 64897, 66409, 91469, 94234, 129794, 132818, 159131, 182938, 318262, 491363, 692551, 982726, 1204849, 1385102, 1659509, 2409698, 3319018, 3439541, 4847857, 6879082, 8433943, 9695714, 11616563, 16867886, 23233126, 87953977, 175907954, 615677839, 1231355678]

約数ペア:

[(1, 1231355678), (2, 615677839), (7, 175907954), (14, 87953977), (53, 23233126), (73, 16867886), (106, 11616563), (127, 9695714), (146, 8433943), (179, 6879082), (254, 4847857), (358, 3439541), (371, 3319018), (511, 2409698), (742, 1659509), (889, 1385102), (1022, 1204849), (1253, 982726), (1778, 692551), (2506, 491363), (3869, 318262), (6731, 182938), (7738, 159131), (9271, 132818), (9487, 129794), (13067, 94234), (13462, 91469), (18542, 66409), (18974, 64897), (22733, 54166), (26134, 47117), (27083, 45466)]