22227775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 31426560

約数和(自身を除く): 9198785

約数列:

[1, 5, 23, 25, 29, 31, 43, 115, 145, 155, 215, 575, 667, 713, 725, 775, 899, 989, 1075, 1247, 1333, 3335, 3565, 4495, 4945, 6235, 6665, 16675, 17825, 20677, 22475, 24725, 28681, 30659, 31175, 33325, 38657, 103385, 143405, 153295, 193285, 516925, 717025, 766475, 889111, 966425, 4445555, 22227775]

約数ペア:

[(1, 22227775), (5, 4445555), (23, 966425), (25, 889111), (29, 766475), (31, 717025), (43, 516925), (115, 193285), (145, 153295), (155, 143405), (215, 103385), (575, 38657), (667, 33325), (713, 31175), (725, 30659), (775, 28681), (899, 24725), (989, 22475), (1075, 20677), (1247, 17825), (1333, 16675), (3335, 6665), (3565, 6235), (4495, 4945)]