81386158

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 151232400

約数和(自身を除く): 69846242

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 109, 133, 218, 266, 401, 763, 802, 931, 1526, 1862, 2071, 2807, 4142, 5341, 5614, 7619, 10682, 14497, 15238, 19649, 28994, 39298, 43709, 53333, 87418, 101479, 106666, 202958, 305963, 373331, 611926, 746662, 830471, 1660942, 2141741, 4283482, 5813297, 11626594, 40693079, 81386158]

約数ペア:

[(1, 81386158), (2, 40693079), (7, 11626594), (14, 5813297), (19, 4283482), (38, 2141741), (49, 1660942), (98, 830471), (109, 746662), (133, 611926), (218, 373331), (266, 305963), (401, 202958), (763, 106666), (802, 101479), (931, 87418), (1526, 53333), (1862, 43709), (2071, 39298), (2807, 28994), (4142, 19649), (5341, 15238), (5614, 14497), (7619, 10682)]