668811044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{709}}^1\times {\mathrm{1949}}^1$

素因数の和:2684

約数の個数: 36

約数和(自身を含む): 1288969500

約数和(自身を除く): 620158456

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 709, 1418, 1949, 2836, 3898, 7796, 7799, 15598, 21439, 31196, 42878, 85756, 85789, 171578, 235829, 343156, 471658, 943316, 1381841, 2763682, 5527364, 15200251, 30400502, 60801004, 167202761, 334405522, 668811044]

約数ペア:

[(1, 668811044), (2, 334405522), (4, 167202761), (11, 60801004), (22, 30400502), (44, 15200251), (121, 5527364), (242, 2763682), (484, 1381841), (709, 943316), (1418, 471658), (1949, 343156), (2836, 235829), (3898, 171578), (7796, 85789), (7799, 85756), (15598, 42878), (21439, 31196)]