247098985

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4297}}^1$

素因数の和:4393

約数の個数: 32

約数和(自身を含む): 356493312

約数和(自身を除く): 109394327

約数列:

[1, 5, 7, 31, 35, 53, 155, 217, 265, 371, 1085, 1643, 1855, 4297, 8215, 11501, 21485, 30079, 57505, 133207, 150395, 227741, 666035, 932449, 1138705, 1594187, 4662245, 7059971, 7970935, 35299855, 49419797, 247098985]

約数ペア:

[(1, 247098985), (5, 49419797), (7, 35299855), (31, 7970935), (35, 7059971), (53, 4662245), (155, 1594187), (217, 1138705), (265, 932449), (371, 666035), (1085, 227741), (1643, 150395), (1855, 133207), (4297, 57505), (8215, 30079), (11501, 21485)]