399956704

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{13033}}^1$

素因数の和:13187

約数の個数: 48

約数和(自身を含む): 906540768

約数和(自身を除く): 506584064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 959, 1096, 1918, 2192, 3836, 4384, 7672, 13033, 15344, 26066, 30688, 52132, 91231, 104264, 182462, 208528, 364924, 417056, 729848, 1459696, 1785521, 2919392, 3571042, 7142084, 12498647, 14284168, 24997294, 28568336, 49994588, 57136672, 99989176, 199978352, 399956704]

約数ペア:

[(1, 399956704), (2, 199978352), (4, 99989176), (7, 57136672), (8, 49994588), (14, 28568336), (16, 24997294), (28, 14284168), (32, 12498647), (56, 7142084), (112, 3571042), (137, 2919392), (224, 1785521), (274, 1459696), (548, 729848), (959, 417056), (1096, 364924), (1918, 208528), (2192, 182462), (3836, 104264), (4384, 91231), (7672, 52132), (13033, 30688), (15344, 26066)]