218879468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 423306240

約数和(自身を除く): 204426772

約数列:

[1, 2, 4, 19, 31, 38, 61, 62, 76, 122, 124, 244, 589, 1159, 1178, 1523, 1891, 2318, 2356, 3046, 3782, 4636, 6092, 7564, 28937, 35929, 47213, 57874, 71858, 92903, 94426, 115748, 143716, 185806, 188852, 371612, 897047, 1765157, 1794094, 2879993, 3530314, 3588188, 5759986, 7060628, 11519972, 54719867, 109439734, 218879468]

約数ペア:

[(1, 218879468), (2, 109439734), (4, 54719867), (19, 11519972), (31, 7060628), (38, 5759986), (61, 3588188), (62, 3530314), (76, 2879993), (122, 1794094), (124, 1765157), (244, 897047), (589, 371612), (1159, 188852), (1178, 185806), (1523, 143716), (1891, 115748), (2318, 94426), (2356, 92903), (3046, 71858), (3782, 57874), (4636, 47213), (6092, 35929), (7564, 28937)]