1223756

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2257920

約数和(自身を除く): 1034164

約数列:

[1, 2, 4, 31, 62, 71, 124, 139, 142, 278, 284, 556, 2201, 4309, 4402, 8618, 8804, 9869, 17236, 19738, 39476, 305939, 611878, 1223756]

約数ペア:

[(1, 1223756), (2, 611878), (4, 305939), (31, 39476), (62, 19738), (71, 17236), (124, 9869), (139, 8804), (142, 8618), (278, 4402), (284, 4309), (556, 2201)]