321576488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{7603}}^1$

素因数の和:7937

約数の個数: 32

約数和(自身を含む): 640560960

約数和(自身を除く): 318984472

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 311, 622, 1244, 2488, 5287, 7603, 10574, 15206, 21148, 30412, 42296, 60824, 129251, 258502, 517004, 1034008, 2364533, 4729066, 9458132, 18916264, 40197061, 80394122, 160788244, 321576488]

約数ペア:

[(1, 321576488), (2, 160788244), (4, 80394122), (8, 40197061), (17, 18916264), (34, 9458132), (68, 4729066), (136, 2364533), (311, 1034008), (622, 517004), (1244, 258502), (2488, 129251), (5287, 60824), (7603, 42296), (10574, 30412), (15206, 21148)]