1213388

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 2457840

約数和(自身を除く): 1244452

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 109, 121, 218, 242, 253, 436, 484, 506, 1012, 1199, 2398, 2507, 2783, 4796, 5014, 5566, 10028, 11132, 13189, 26378, 27577, 52756, 55154, 110308, 303347, 606694, 1213388]

約数ペア:

[(1, 1213388), (2, 606694), (4, 303347), (11, 110308), (22, 55154), (23, 52756), (44, 27577), (46, 26378), (92, 13189), (109, 11132), (121, 10028), (218, 5566), (242, 5014), (253, 4796), (436, 2783), (484, 2507), (506, 2398), (1012, 1199)]