28990145072

素因数分解:

$2^4\times 7^1\times {\mathrm{571}}^1\times {\mathrm{453311}}^1$

素因数の和:453897

約数の個数: 40

約数和(自身を含む): 64305027072

約数和(自身を除く): 35314882000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 571, 1142, 2284, 3997, 4568, 7994, 9136, 15988, 31976, 63952, 453311, 906622, 1813244, 3173177, 3626488, 6346354, 7252976, 12692708, 25385416, 50770832, 258840581, 517681162, 1035362324, 1811884067, 2070724648, 3623768134, 4141449296, 7247536268, 14495072536, 28990145072]

約数ペア:

[(1, 28990145072), (2, 14495072536), (4, 7247536268), (7, 4141449296), (8, 3623768134), (14, 2070724648), (16, 1811884067), (28, 1035362324), (56, 517681162), (112, 258840581), (571, 50770832), (1142, 25385416), (2284, 12692708), (3997, 7252976), (4568, 6346354), (7994, 3626488), (9136, 3173177), (15988, 1813244), (31976, 906622), (63952, 453311)]