312888944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1789}}^1$

素因数の和:2457

約数の個数: 40

約数和(自身を含む): 643240080

約数和(自身を除く): 330351136

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 643, 1286, 1789, 2572, 3578, 5144, 7156, 10288, 10931, 14312, 21862, 28624, 30413, 43724, 60826, 87448, 121652, 174896, 243304, 486608, 1150327, 2300654, 4601308, 9202616, 18405232, 19555559, 39111118, 78222236, 156444472, 312888944]

約数ペア:

[(1, 312888944), (2, 156444472), (4, 78222236), (8, 39111118), (16, 19555559), (17, 18405232), (34, 9202616), (68, 4601308), (136, 2300654), (272, 1150327), (643, 486608), (1286, 243304), (1789, 174896), (2572, 121652), (3578, 87448), (5144, 60826), (7156, 43724), (10288, 30413), (10931, 28624), (14312, 21862)]