2159255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 3317760

約数和(自身を除く): 1158505

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 191, 323, 595, 665, 955, 1337, 1615, 2261, 3247, 3629, 6685, 11305, 16235, 18145, 22729, 25403, 61693, 113645, 127015, 308465, 431851, 2159255]

約数ペア:

[(1, 2159255), (5, 431851), (7, 308465), (17, 127015), (19, 113645), (35, 61693), (85, 25403), (95, 22729), (119, 18145), (133, 16235), (191, 11305), (323, 6685), (595, 3629), (665, 3247), (955, 2261), (1337, 1615)]