1286008528

素因数分解:

$2^4\times 7^3\times {\mathrm{234331}}^1$

素因数の和:234360

約数の個数: 40

約数和(自身を含む): 2905716800

約数和(自身を除く): 1619708272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 234331, 468662, 937324, 1640317, 1874648, 3280634, 3749296, 6561268, 11482219, 13122536, 22964438, 26245072, 45928876, 80375533, 91857752, 160751066, 183715504, 321502132, 643004264, 1286008528]

約数ペア:

[(1, 1286008528), (2, 643004264), (4, 321502132), (7, 183715504), (8, 160751066), (14, 91857752), (16, 80375533), (28, 45928876), (49, 26245072), (56, 22964438), (98, 13122536), (112, 11482219), (196, 6561268), (343, 3749296), (392, 3280634), (686, 1874648), (784, 1640317), (1372, 937324), (2744, 468662), (5488, 234331)]