215087708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 421306368

約数和(自身を除く): 206218660

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 127, 244, 254, 508, 631, 671, 1262, 1342, 1397, 2524, 2684, 2794, 5588, 6941, 7747, 13882, 15494, 27764, 30988, 38491, 76982, 80137, 85217, 153964, 160274, 170434, 320548, 340868, 423401, 846802, 881507, 1693604, 1763014, 3526028, 4888357, 9776714, 19553428, 53771927, 107543854, 215087708]

約数ペア:

[(1, 215087708), (2, 107543854), (4, 53771927), (11, 19553428), (22, 9776714), (44, 4888357), (61, 3526028), (122, 1763014), (127, 1693604), (244, 881507), (254, 846802), (508, 423401), (631, 340868), (671, 320548), (1262, 170434), (1342, 160274), (1397, 153964), (2524, 85217), (2684, 80137), (2794, 76982), (5588, 38491), (6941, 30988), (7747, 27764), (13882, 15494)]