205518488

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{13249}}^1$

素因数の和:13539

約数の個数: 32

約数和(自身を含む): 442020000

約数和(自身を除く): 236501512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1939, 2216, 3878, 7756, 13249, 15512, 26498, 52996, 92743, 105992, 185486, 370972, 741944, 3669973, 7339946, 14679892, 25689811, 29359784, 51379622, 102759244, 205518488]

約数ペア:

[(1, 205518488), (2, 102759244), (4, 51379622), (7, 29359784), (8, 25689811), (14, 14679892), (28, 7339946), (56, 3669973), (277, 741944), (554, 370972), (1108, 185486), (1939, 105992), (2216, 92743), (3878, 52996), (7756, 26498), (13249, 15512)]