247447585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14947}}^1$

素因数の和:15013

約数の個数: 32

約数和(自身を含む): 378842112

約数和(自身を除く): 131394527

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2365, 3311, 14947, 16555, 74735, 104629, 164417, 523145, 642721, 822085, 1150919, 3213605, 4499047, 5754595, 7069931, 22495235, 35349655, 49489517, 247447585]

約数ペア:

[(1, 247447585), (5, 49489517), (7, 35349655), (11, 22495235), (35, 7069931), (43, 5754595), (55, 4499047), (77, 3213605), (215, 1150919), (301, 822085), (385, 642721), (473, 523145), (1505, 164417), (2365, 104629), (3311, 74735), (14947, 16555)]