257243356821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{432661}}^1$

素因数の和:433137

約数の個数: 32

約数和(自身を含む): 383788500480

約数和(自身を除く): 126545143659

約数列:

[1, 3, 11, 33, 43, 129, 419, 473, 1257, 1419, 4609, 13827, 18017, 54051, 198187, 432661, 594561, 1297983, 4759271, 14277813, 18604423, 55813269, 181284959, 204648653, 543854877, 613945959, 1994134549, 5982403647, 7795253237, 23385759711, 85747785607, 257243356821]

約数ペア:

[(1, 257243356821), (3, 85747785607), (11, 23385759711), (33, 7795253237), (43, 5982403647), (129, 1994134549), (419, 613945959), (473, 543854877), (1257, 204648653), (1419, 181284959), (4609, 55813269), (13827, 18604423), (18017, 14277813), (54051, 4759271), (198187, 1297983), (432661, 594561)]