30721428

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{6229}}^1$

素因数の和:6376

約数の個数: 36

約数和(自身を含む): 78236340

約数和(自身を除く): 47514912

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 6229, 12458, 18687, 24916, 37374, 56061, 74748, 112122, 224244, 853373, 1706746, 2560119, 3413492, 5120238, 7680357, 10240476, 15360714, 30721428]

約数ペア:

[(1, 30721428), (2, 15360714), (3, 10240476), (4, 7680357), (6, 5120238), (9, 3413492), (12, 2560119), (18, 1706746), (36, 853373), (137, 224244), (274, 112122), (411, 74748), (548, 56061), (822, 37374), (1233, 24916), (1644, 18687), (2466, 12458), (4932, 6229)]