28539665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 16505839

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 121, 161, 253, 293, 385, 605, 805, 847, 1265, 1465, 1771, 2051, 2783, 3223, 4235, 6739, 8855, 10255, 13915, 16115, 19481, 22561, 33695, 35453, 47173, 74129, 97405, 112805, 177265, 235865, 248171, 370645, 518903, 815419, 1240855, 2594515, 4077095, 5707933, 28539665]

約数ペア:

[(1, 28539665), (5, 5707933), (7, 4077095), (11, 2594515), (23, 1240855), (35, 815419), (55, 518903), (77, 370645), (115, 248171), (121, 235865), (161, 177265), (253, 112805), (293, 97405), (385, 74129), (605, 47173), (805, 35453), (847, 33695), (1265, 22561), (1465, 19481), (1771, 16115), (2051, 13915), (2783, 10255), (3223, 8855), (4235, 6739)]