28273877709

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{194591}}^1$

素因数の和:194666

約数の個数: 64

約数和(自身を含む): 51110756352

約数和(自身を除く): 22836878643

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 111, 119, 187, 231, 259, 357, 407, 561, 629, 777, 1221, 1309, 1887, 2849, 3927, 4403, 6919, 8547, 13209, 20757, 48433, 145299, 194591, 583773, 1362137, 2140501, 3308047, 4086411, 6421503, 7199867, 9924141, 14983507, 21599601, 23156329, 36388517, 44950521, 50399069, 69468987, 79198537, 109165551, 122397739, 151197207, 237595611, 254719619, 367193217, 554389759, 764158857, 856784173, 1346375129, 1663169277, 2570352519, 4039125387, 9424625903, 28273877709]

約数ペア:

[(1, 28273877709), (3, 9424625903), (7, 4039125387), (11, 2570352519), (17, 1663169277), (21, 1346375129), (33, 856784173), (37, 764158857), (51, 554389759), (77, 367193217), (111, 254719619), (119, 237595611), (187, 151197207), (231, 122397739), (259, 109165551), (357, 79198537), (407, 69468987), (561, 50399069), (629, 44950521), (777, 36388517), (1221, 23156329), (1309, 21599601), (1887, 14983507), (2849, 9924141), (3927, 7199867), (4403, 6421503), (6919, 4086411), (8547, 3308047), (13209, 2140501), (20757, 1362137), (48433, 583773), (145299, 194591)]