28671454

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 50916096

約数和(自身を除く): 22244642

約数列:

[1, 2, 7, 14, 43, 86, 97, 194, 301, 491, 602, 679, 982, 1358, 3437, 4171, 6874, 8342, 21113, 29197, 42226, 47627, 58394, 95254, 147791, 295582, 333389, 666778, 2047961, 4095922, 14335727, 28671454]

約数ペア:

[(1, 28671454), (2, 14335727), (7, 4095922), (14, 2047961), (43, 666778), (86, 333389), (97, 295582), (194, 147791), (301, 95254), (491, 58394), (602, 47627), (679, 42226), (982, 29197), (1358, 21113), (3437, 8342), (4171, 6874)]